Finding the Fourth Proportional to 23,681.90, 32,680.86 and 13,071.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,681.90 : 32,680.86 = 13,071.53 : x
2. Step 2: Convert to fraction form
   23,681.90/32,680.86 = 13,071.53/x
3. Step 3: Cross multiply
   23,681.90x = 32,680.86 × 13,071.53
4. Step 4: Simplify right side
   23,681.90x = 427,188,678.51
5. Step 5: Solve for x
   x = 427,188,678.51/23,681.90
6. Step 6: Final answer
   x = 18,038.62