Finding the Fourth Proportional to 15,562.46, 21,476.34 and 8,488.82

Step by Step Solution

1. Step 1: Write the proportion equation
   15,562.46 : 21,476.34 = 8,488.82 : x
2. Step 2: Convert to fraction form
   15,562.46/21,476.34 = 8,488.82/x
3. Step 3: Cross multiply
   15,562.46x = 21,476.34 × 8,488.82
4. Step 4: Simplify right side
   15,562.46x = 182,308,784.52
5. Step 5: Solve for x
   x = 182,308,784.52/15,562.46
6. Step 6: Final answer
   x = 11,714.65