Finding the Fourth Proportional to 23,510.77, 32,445.36 and 12,900.43

Step by Step Solution

1. Step 1: Write the proportion equation
   23,510.77 : 32,445.36 = 12,900.43 : x
2. Step 2: Convert to fraction form
   23,510.77/32,445.36 = 12,900.43/x
3. Step 3: Cross multiply
   23,510.77x = 32,445.36 × 12,900.43
4. Step 4: Simplify right side
   23,510.77x = 418,559,095.50
5. Step 5: Solve for x
   x = 418,559,095.50/23,510.77
6. Step 6: Final answer
   x = 17,802.87