Finding the Fourth Proportional to 74,735.31, 103,134.68 and 42,906.15

Step by Step Solution

1. Step 1: Write the proportion equation
   74,735.31 : 103,134.68 = 42,906.15 : x
2. Step 2: Convert to fraction form
   74,735.31/103,134.68 = 42,906.15/x
3. Step 3: Cross multiply
   74,735.31x = 103,134.68 × 42,906.15
4. Step 4: Simplify right side
   74,735.31x = 4,425,111,835.75
5. Step 5: Solve for x
   x = 4,425,111,835.75/74,735.31
6. Step 6: Final answer
   x = 59,210.46