Finding the Fourth Proportional to 23,510.57, 32,445.29 and 12,900.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,510.57 : 32,445.29 = 12,900.92 : x
2. Step 2: Convert to fraction form
   23,510.57/32,445.29 = 12,900.92/x
3. Step 3: Cross multiply
   23,510.57x = 32,445.29 × 12,900.92
4. Step 4: Simplify right side
   23,510.57x = 418,573,960.69
5. Step 5: Solve for x
   x = 418,573,960.69/23,510.57
6. Step 6: Final answer
   x = 17,803.65