Finding the Fourth Proportional to 82,065,437,812.34, 122,937,841,941.86 and 56,535,076,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,065,437,812.34 : 122,937,841,941.86 = 56,535,076,440.50 : x
2. Step 2: Convert to fraction form
   82,065,437,812.34/122,937,841,941.86 = 56,535,076,440.50/x
3. Step 3: Cross multiply
   82,065,437,812.34x = 122,937,841,941.86 × 56,535,076,440.50
4. Step 4: Simplify right side
   82,065,437,812.34x = 6,950,300,291,612,547,219,456
5. Step 5: Solve for x
   x = 6,950,300,291,612,547,219,456/82,065,437,812.34
6. Step 6: Final answer
   x = 84,692,173,427.58