Finding the Fourth Proportional to 25,004.02, 34,520.52 and 15,585.34

Step by Step Solution

1. Step 1: Write the proportion equation
   25,004.02 : 34,520.52 = 15,585.34 : x
2. Step 2: Convert to fraction form
   25,004.02/34,520.52 = 15,585.34/x
3. Step 3: Cross multiply
   25,004.02x = 34,520.52 × 15,585.34
4. Step 4: Simplify right side
   25,004.02x = 538,014,041.18
5. Step 5: Solve for x
   x = 538,014,041.18/25,004.02
6. Step 6: Final answer
   x = 21,517.10