Finding the Fourth Proportional to 969,843.60, 1,338,425.69 and 540,123.75

Step by Step Solution

1. Step 1: Write the proportion equation
   969,843.60 : 1,338,425.69 = 540,123.75 : x
2. Step 2: Convert to fraction form
   969,843.60/1,338,425.69 = 540,123.75/x
3. Step 3: Cross multiply
   969,843.60x = 1,338,425.69 × 540,123.75
4. Step 4: Simplify right side
   969,843.60x = 722,915,500,078.52
5. Step 5: Solve for x
   x = 722,915,500,078.52/969,843.60
6. Step 6: Final answer
   x = 745,393.90