Finding the Fourth Proportional to 15,557.04, 21,470.37 and 9,510.82

Step by Step Solution

1. Step 1: Write the proportion equation
   15,557.04 : 21,470.37 = 9,510.82 : x
2. Step 2: Convert to fraction form
   15,557.04/21,470.37 = 9,510.82/x
3. Step 3: Cross multiply
   15,557.04x = 21,470.37 × 9,510.82
4. Step 4: Simplify right side
   15,557.04x = 204,200,966.27
5. Step 5: Solve for x
   x = 204,200,966.27/15,557.04
6. Step 6: Final answer
   x = 13,125.95