Finding the Fourth Proportional to 23,681.98, 32,681.10 and 13,071.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,681.98 : 32,681.10 = 13,071.61 : x
2. Step 2: Convert to fraction form
   23,681.98/32,681.10 = 13,071.61/x
3. Step 3: Cross multiply
   23,681.98x = 32,681.10 × 13,071.61
4. Step 4: Simplify right side
   23,681.98x = 427,194,593.57
5. Step 5: Solve for x
   x = 427,194,593.57/23,681.98
6. Step 6: Final answer
   x = 18,038.80