Finding the Fourth Proportional to 416,152.86, 574,108.68 and 243,983.72

Step by Step Solution

1. Step 1: Write the proportion equation
   416,152.86 : 574,108.68 = 243,983.72 : x
2. Step 2: Convert to fraction form
   416,152.86/574,108.68 = 243,983.72/x
3. Step 3: Cross multiply
   416,152.86x = 574,108.68 × 243,983.72
4. Step 4: Simplify right side
   416,152.86x = 140,073,171,430.69
5. Step 5: Solve for x
   x = 140,073,171,430.69/416,152.86
6. Step 6: Final answer
   x = 336,590.67