Finding the Fourth Proportional to 981,849.89, 1,354,944.30 and 552,120.86

Step by Step Solution

1. Step 1: Write the proportion equation
   981,849.89 : 1,354,944.30 = 552,120.86 : x
2. Step 2: Convert to fraction form
   981,849.89/1,354,944.30 = 552,120.86/x
3. Step 3: Cross multiply
   981,849.89x = 1,354,944.30 × 552,120.86
4. Step 4: Simplify right side
   981,849.89x = 748,093,012,168.10
5. Step 5: Solve for x
   x = 748,093,012,168.10/981,849.89
6. Step 6: Final answer
   x = 761,921.98