Finding the Fourth Proportional to 23,669.81, 32,656.71 and 15,713.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,669.81 : 32,656.71 = 15,713.57 : x
2. Step 2: Convert to fraction form
   23,669.81/32,656.71 = 15,713.57/x
3. Step 3: Cross multiply
   23,669.81x = 32,656.71 × 15,713.57
4. Step 4: Simplify right side
   23,669.81x = 513,153,498.55
5. Step 5: Solve for x
   x = 513,153,498.55/23,669.81
6. Step 6: Final answer
   x = 21,679.66