Finding the Fourth Proportional to 22,510.00, 31,064.51 and 12,438.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,510.00 : 31,064.51 = 12,438.77 : x
2. Step 2: Convert to fraction form
   22,510.00/31,064.51 = 12,438.77/x
3. Step 3: Cross multiply
   22,510.00x = 31,064.51 × 12,438.77
4. Step 4: Simplify right side
   22,510.00x = 386,404,170.83
5. Step 5: Solve for x
   x = 386,404,170.83/22,510.00
6. Step 6: Final answer
   x = 17,165.89