Finding the Fourth Proportional to 28,345.60, 42,308.17 and 25,024.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,345.60 : 42,308.17 = 25,024.06 : x
2. Step 2: Convert to fraction form
   28,345.60/42,308.17 = 25,024.06/x
3. Step 3: Cross multiply
   28,345.60x = 42,308.17 × 25,024.06
4. Step 4: Simplify right side
   28,345.60x = 1,058,721,973.03
5. Step 5: Solve for x
   x = 1,058,721,973.03/28,345.60
6. Step 6: Final answer
   x = 37,350.49