Finding the Fourth Proportional to 103,373,610.56, 142,661,826.72 and 56,963,785.28

Step by Step Solution

1. Step 1: Write the proportion equation
   103,373,610.56 : 142,661,826.72 = 56,963,785.28 : x
2. Step 2: Convert to fraction form
   103,373,610.56/142,661,826.72 = 56,963,785.28/x
3. Step 3: Cross multiply
   103,373,610.56x = 142,661,826.72 × 56,963,785.28
4. Step 4: Simplify right side
   103,373,610.56x = 8,126,557,664,930,647
5. Step 5: Solve for x
   x = 8,126,557,664,930,647/103,373,610.56
6. Step 6: Final answer
   x = 78,613,464.51