Finding the Fourth Proportional to 23,476.31, 32,397.35 and 12,865.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,476.31 : 32,397.35 = 12,865.72 : x
2. Step 2: Convert to fraction form
   23,476.31/32,397.35 = 12,865.72/x
3. Step 3: Cross multiply
   23,476.31x = 32,397.35 × 12,865.72
4. Step 4: Simplify right side
   23,476.31x = 416,815,233.84
5. Step 5: Solve for x
   x = 416,815,233.84/23,476.31
6. Step 6: Final answer
   x = 17,754.72