Finding the Fourth Proportional to 519,367.86, 779,168.52 and 164,403.18

Step by Step Solution

1. Step 1: Write the proportion equation
   519,367.86 : 779,168.52 = 164,403.18 : x
2. Step 2: Convert to fraction form
   519,367.86/779,168.52 = 164,403.18/x
3. Step 3: Cross multiply
   519,367.86x = 779,168.52 × 164,403.18
4. Step 4: Simplify right side
   519,367.86x = 128,097,782,443.89
5. Step 5: Solve for x
   x = 128,097,782,443.89/519,367.86
6. Step 6: Final answer
   x = 246,641.72