Finding the Fourth Proportional to 716,432.82, 1,074,614.18 and 267,118.66

Step by Step Solution

1. Step 1: Write the proportion equation
   716,432.82 : 1,074,614.18 = 267,118.66 : x
2. Step 2: Convert to fraction form
   716,432.82/1,074,614.18 = 267,118.66/x
3. Step 3: Cross multiply
   716,432.82x = 1,074,614.18 × 267,118.66
4. Step 4: Simplify right side
   716,432.82x = 287,049,499,786.27
5. Step 5: Solve for x
   x = 287,049,499,786.27/716,432.82
6. Step 6: Final answer
   x = 400,664.92