Finding the Fourth Proportional to 981,726.51, 1,472,425.73 and 271,826.31

Step by Step Solution

1. Step 1: Write the proportion equation
   981,726.51 : 1,472,425.73 = 271,826.31 : x
2. Step 2: Convert to fraction form
   981,726.51/1,472,425.73 = 271,826.31/x
3. Step 3: Cross multiply
   981,726.51x = 1,472,425.73 × 271,826.31
4. Step 4: Simplify right side
   981,726.51x = 400,244,051,575.83
5. Step 5: Solve for x
   x = 400,244,051,575.83/981,726.51
6. Step 6: Final answer
   x = 407,694.04