Finding the Fourth Proportional to 23,510.99, 32,444.55 and 12,900.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,510.99 : 32,444.55 = 12,900.53 : x
2. Step 2: Convert to fraction form
   23,510.99/32,444.55 = 12,900.53/x
3. Step 3: Cross multiply
   23,510.99x = 32,444.55 × 12,900.53
4. Step 4: Simplify right side
   23,510.99x = 418,551,971.72
5. Step 5: Solve for x
   x = 418,551,971.72/23,510.99
6. Step 6: Final answer
   x = 17,802.39