Finding the Fourth Proportional to 17,665.48, 24,377.21 and 10,111.87

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665.48 : 24,377.21 = 10,111.87 : x
2. Step 2: Convert to fraction form
   17,665.48/24,377.21 = 10,111.87/x
3. Step 3: Cross multiply
   17,665.48x = 24,377.21 × 10,111.87
4. Step 4: Simplify right side
   17,665.48x = 246,499,056.60
5. Step 5: Solve for x
   x = 246,499,056.60/17,665.48
6. Step 6: Final answer
   x = 13,953.72