Finding the Fourth Proportional to 25,359.12, 38,042.78 and 10,569.53

Step by Step Solution

1. Step 1: Write the proportion equation
   25,359.12 : 38,042.78 = 10,569.53 : x
2. Step 2: Convert to fraction form
   25,359.12/38,042.78 = 10,569.53/x
3. Step 3: Cross multiply
   25,359.12x = 38,042.78 × 10,569.53
4. Step 4: Simplify right side
   25,359.12x = 402,094,061.43
5. Step 5: Solve for x
   x = 402,094,061.43/25,359.12
6. Step 6: Final answer
   x = 15,855.99