Finding the Fourth Proportional to 45,314.72, 62,509.12 and 42,107.39

Step by Step Solution

1. Step 1: Write the proportion equation
   45,314.72 : 62,509.12 = 42,107.39 : x
2. Step 2: Convert to fraction form
   45,314.72/62,509.12 = 42,107.39/x
3. Step 3: Cross multiply
   45,314.72x = 62,509.12 × 42,107.39
4. Step 4: Simplify right side
   45,314.72x = 2,632,095,945.40
5. Step 5: Solve for x
   x = 2,632,095,945.40/45,314.72
6. Step 6: Final answer
   x = 58,084.80