Finding the Fourth Proportional to 866,514.42, 1,300,003.47 and 267,451.38

Step by Step Solution

1. Step 1: Write the proportion equation
   866,514.42 : 1,300,003.47 = 267,451.38 : x
2. Step 2: Convert to fraction form
   866,514.42/1,300,003.47 = 267,451.38/x
3. Step 3: Cross multiply
   866,514.42x = 1,300,003.47 × 267,451.38
4. Step 4: Simplify right side
   866,514.42x = 347,687,722,056.29
5. Step 5: Solve for x
   x = 347,687,722,056.29/866,514.42
6. Step 6: Final answer
   x = 401,248.63