Finding the Fourth Proportional to 56,931,022.45, 78,506,091.97 and 48,698,339.59

Step by Step Solution

1. Step 1: Write the proportion equation
   56,931,022.45 : 78,506,091.97 = 48,698,339.59 : x
2. Step 2: Convert to fraction form
   56,931,022.45/78,506,091.97 = 48,698,339.59/x
3. Step 3: Cross multiply
   56,931,022.45x = 78,506,091.97 × 48,698,339.59
4. Step 4: Simplify right side
   56,931,022.45x = 3,823,116,326,638,832.50
5. Step 5: Solve for x
   x = 3,823,116,326,638,832.50/56,931,022.45
6. Step 6: Final answer
   x = 67,153,480.86