Finding the Fourth Proportional to 16,354.31, 24,510.47 and 11,900.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,354.31 : 24,510.47 = 11,900.72 : x
2. Step 2: Convert to fraction form
   16,354.31/24,510.47 = 11,900.72/x
3. Step 3: Cross multiply
   16,354.31x = 24,510.47 × 11,900.72
4. Step 4: Simplify right side
   16,354.31x = 291,692,242.31
5. Step 5: Solve for x
   x = 291,692,242.31/16,354.31
6. Step 6: Final answer
   x = 17,835.81