Finding the Fourth Proportional to 12,884,858, 17,780,650.98 and 7,083,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,884,858 : 17,780,650.98 = 7,083,597.50 : x
2. Step 2: Convert to fraction form
   12,884,858/17,780,650.98 = 7,083,597.50/x
3. Step 3: Cross multiply
   12,884,858x = 17,780,650.98 × 7,083,597.50
4. Step 4: Simplify right side
   12,884,858x = 125,950,974,830,300.55
5. Step 5: Solve for x
   x = 125,950,974,830,300.55/12,884,858
6. Step 6: Final answer
   x = 9,775,115.48