Finding the Fourth Proportional to 75,599.31, 104,327.15 and 42,065.31

Step by Step Solution

1. Step 1: Write the proportion equation
   75,599.31 : 104,327.15 = 42,065.31 : x
2. Step 2: Convert to fraction form
   75,599.31/104,327.15 = 42,065.31/x
3. Step 3: Cross multiply
   75,599.31x = 104,327.15 × 42,065.31
4. Step 4: Simplify right side
   75,599.31x = 4,388,553,906.17
5. Step 5: Solve for x
   x = 4,388,553,906.17/75,599.31
6. Step 6: Final answer
   x = 58,050.18