Finding the Fourth Proportional to 23,388.18, 32,275.65 and 12,777.81

Step by Step Solution

1. Step 1: Write the proportion equation
   23,388.18 : 32,275.65 = 12,777.81 : x
2. Step 2: Convert to fraction form
   23,388.18/32,275.65 = 12,777.81/x
3. Step 3: Cross multiply
   23,388.18x = 32,275.65 × 12,777.81
4. Step 4: Simplify right side
   23,388.18x = 412,412,123.33
5. Step 5: Solve for x
   x = 412,412,123.33/23,388.18
6. Step 6: Final answer
   x = 17,633.36