Finding the Fourth Proportional to 12,663.31, 17,464 and 10,545.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,663.31 : 17,464 = 10,545.84 : x
2. Step 2: Convert to fraction form
   12,663.31/17,464 = 10,545.84/x
3. Step 3: Cross multiply
   12,663.31x = 17,464 × 10,545.84
4. Step 4: Simplify right side
   12,663.31x = 184,172,549.76
5. Step 5: Solve for x
   x = 184,172,549.76/12,663.31
6. Step 6: Final answer
   x = 14,543.79