Finding the Fourth Proportional to 45,642.26, 62,978.62 and 25,499.30

Step by Step Solution

1. Step 1: Write the proportion equation
   45,642.26 : 62,978.62 = 25,499.30 : x
2. Step 2: Convert to fraction form
   45,642.26/62,978.62 = 25,499.30/x
3. Step 3: Cross multiply
   45,642.26x = 62,978.62 × 25,499.30
4. Step 4: Simplify right side
   45,642.26x = 1,605,910,818.66
5. Step 5: Solve for x
   x = 1,605,910,818.66/45,642.26
6. Step 6: Final answer
   x = 35,184.74