Finding the Fourth Proportional to 981,074.88, 1,471,608.72 and 271,101.60

Step by Step Solution

1. Step 1: Write the proportion equation
   981,074.88 : 1,471,608.72 = 271,101.60 : x
2. Step 2: Convert to fraction form
   981,074.88/1,471,608.72 = 271,101.60/x
3. Step 3: Cross multiply
   981,074.88x = 1,471,608.72 × 271,101.60
4. Step 4: Simplify right side
   981,074.88x = 398,955,478,565.95
5. Step 5: Solve for x
   x = 398,955,478,565.95/981,074.88
6. Step 6: Final answer
   x = 406,651.41