Finding the Fourth Proportional to 45,640.86, 62,978.16 and 25,495.18

Step by Step Solution

1. Step 1: Write the proportion equation
   45,640.86 : 62,978.16 = 25,495.18 : x
2. Step 2: Convert to fraction form
   45,640.86/62,978.16 = 25,495.18/x
3. Step 3: Cross multiply
   45,640.86x = 62,978.16 × 25,495.18
4. Step 4: Simplify right side
   45,640.86x = 1,605,639,525.27
5. Step 5: Solve for x
   x = 1,605,639,525.27/45,640.86
6. Step 6: Final answer
   x = 35,179.87