Finding the Fourth Proportional to 23,328.56, 32,168.01 and 15,761.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,328.56 : 32,168.01 = 15,761.78 : x
2. Step 2: Convert to fraction form
   23,328.56/32,168.01 = 15,761.78/x
3. Step 3: Cross multiply
   23,328.56x = 32,168.01 × 15,761.78
4. Step 4: Simplify right side
   23,328.56x = 507,025,096.66
5. Step 5: Solve for x
   x = 507,025,096.66/23,328.56
6. Step 6: Final answer
   x = 21,734.09