Finding the Fourth Proportional to 42,501.28, 58,653.12 and 25,499.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,501.28 : 58,653.12 = 25,499.68 : x
2. Step 2: Convert to fraction form
   42,501.28/58,653.12 = 25,499.68/x
3. Step 3: Cross multiply
   42,501.28x = 58,653.12 × 25,499.68
4. Step 4: Simplify right side
   42,501.28x = 1,495,635,791.00
5. Step 5: Solve for x
   x = 1,495,635,791.00/42,501.28
6. Step 6: Final answer
   x = 35,190.37