Finding the Fourth Proportional to 23,685, 32,681.58 and 13,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,685 : 32,681.58 = 13,611.50 : x
2. Step 2: Convert to fraction form
   23,685/32,681.58 = 13,611.50/x
3. Step 3: Cross multiply
   23,685x = 32,681.58 × 13,611.50
4. Step 4: Simplify right side
   23,685x = 444,845,326.17
5. Step 5: Solve for x
   x = 444,845,326.17/23,685
6. Step 6: Final answer
   x = 18,781.73