Finding the Fourth Proportional to 297,037.27, 445,582.10 and 83,807.05

Step by Step Solution

1. Step 1: Write the proportion equation
   297,037.27 : 445,582.10 = 83,807.05 : x
2. Step 2: Convert to fraction form
   297,037.27/445,582.10 = 83,807.05/x
3. Step 3: Cross multiply
   297,037.27x = 445,582.10 × 83,807.05
4. Step 4: Simplify right side
   297,037.27x = 37,342,918,686.86
5. Step 5: Solve for x
   x = 37,342,918,686.86/297,037.27
6. Step 6: Final answer
   x = 125,717.96