Finding the Fourth Proportional to 23,275.55, 32,120.93 and 12,665.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,275.55 : 32,120.93 = 12,665.86 : x
2. Step 2: Convert to fraction form
   23,275.55/32,120.93 = 12,665.86/x
3. Step 3: Cross multiply
   23,275.55x = 32,120.93 × 12,665.86
4. Step 4: Simplify right side
   23,275.55x = 406,839,153.81
5. Step 5: Solve for x
   x = 406,839,153.81/23,275.55
6. Step 6: Final answer
   x = 17,479.25