Finding the Fourth Proportional to 11,463.30, 15,820.01 and 6,429.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,463.30 : 15,820.01 = 6,429.15 : x
2. Step 2: Convert to fraction form
   11,463.30/15,820.01 = 6,429.15/x
3. Step 3: Cross multiply
   11,463.30x = 15,820.01 × 6,429.15
4. Step 4: Simplify right side
   11,463.30x = 101,709,185.15
5. Step 5: Solve for x
   x = 101,709,185.15/11,463.30
6. Step 6: Final answer
   x = 8,872.59