Finding the Fourth Proportional to 23,034.55, 31,787.29 and 12,962.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,034.55 : 31,787.29 = 12,962.98 : x
2. Step 2: Convert to fraction form
   23,034.55/31,787.29 = 12,962.98/x
3. Step 3: Cross multiply
   23,034.55x = 31,787.29 × 12,962.98
4. Step 4: Simplify right side
   23,034.55x = 412,058,004.52
5. Step 5: Solve for x
   x = 412,058,004.52/23,034.55
6. Step 6: Final answer
   x = 17,888.69