Finding the Fourth Proportional to 519,978.96, 780,077.52 and 295,443.36

Step by Step Solution

1. Step 1: Write the proportion equation
   519,978.96 : 780,077.52 = 295,443.36 : x
2. Step 2: Convert to fraction form
   519,978.96/780,077.52 = 295,443.36/x
3. Step 3: Cross multiply
   519,978.96x = 780,077.52 × 295,443.36
4. Step 4: Simplify right side
   519,978.96x = 230,468,723,569.27
5. Step 5: Solve for x
   x = 230,468,723,569.27/519,978.96
6. Step 6: Final answer
   x = 443,227.02