Finding the Fourth Proportional to 23,275.86, 32,120.94 and 12,665.51

Step by Step Solution

1. Step 1: Write the proportion equation
   23,275.86 : 32,120.94 = 12,665.51 : x
2. Step 2: Convert to fraction form
   23,275.86/32,120.94 = 12,665.51/x
3. Step 3: Cross multiply
   23,275.86x = 32,120.94 × 12,665.51
4. Step 4: Simplify right side
   23,275.86x = 406,827,926.17
5. Step 5: Solve for x
   x = 406,827,926.17/23,275.86
6. Step 6: Final answer
   x = 17,478.53