Finding the Fourth Proportional to 981,148.16, 1,354,096.72 and 545,608.96

Step by Step Solution

1. Step 1: Write the proportion equation
   981,148.16 : 1,354,096.72 = 545,608.96 : x
2. Step 2: Convert to fraction form
   981,148.16/1,354,096.72 = 545,608.96/x
3. Step 3: Cross multiply
   981,148.16x = 1,354,096.72 × 545,608.96
4. Step 4: Simplify right side
   981,148.16x = 738,807,303,138.61
5. Step 5: Solve for x
   x = 738,807,303,138.61/981,148.16
6. Step 6: Final answer
   x = 753,002.79