Finding the Fourth Proportional to 23,240.31, 32,071.30 and 12,629.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,240.31 : 32,071.30 = 12,629.98 : x
2. Step 2: Convert to fraction form
   23,240.31/32,071.30 = 12,629.98/x
3. Step 3: Cross multiply
   23,240.31x = 32,071.30 × 12,629.98
4. Step 4: Simplify right side
   23,240.31x = 405,059,877.57
5. Step 5: Solve for x
   x = 405,059,877.57/23,240.31
6. Step 6: Final answer
   x = 17,429.19