Finding the Fourth Proportional to 72,425,336.10, 108,638,004.15 and 38,413,112.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,425,336.10 : 108,638,004.15 = 38,413,112.10 : x
2. Step 2: Convert to fraction form
   72,425,336.10/108,638,004.15 = 38,413,112.10/x
3. Step 3: Cross multiply
   72,425,336.10x = 108,638,004.15 × 38,413,112.10
4. Step 4: Simplify right side
   72,425,336.10x = 4,173,123,831,734,215.50
5. Step 5: Solve for x
   x = 4,173,123,831,734,215.50/72,425,336.10
6. Step 6: Final answer
   x = 57,619,668.15