Finding the Fourth Proportional to 851,978.37, 1,175,728.54 and 464,793.81

Step by Step Solution

1. Step 1: Write the proportion equation
   851,978.37 : 1,175,728.54 = 464,793.81 : x
2. Step 2: Convert to fraction form
   851,978.37/1,175,728.54 = 464,793.81/x
3. Step 3: Cross multiply
   851,978.37x = 1,175,728.54 × 464,793.81
4. Step 4: Simplify right side
   851,978.37x = 546,471,347,632.34
5. Step 5: Solve for x
   x = 546,471,347,632.34/851,978.37
6. Step 6: Final answer
   x = 641,414.58