Finding the Fourth Proportional to 323,047.50, 484,590.69 and 101,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   323,047.50 : 484,590.69 = 101,431.50 : x
2. Step 2: Convert to fraction form
   323,047.50/484,590.69 = 101,431.50/x
3. Step 3: Cross multiply
   323,047.50x = 484,590.69 × 101,431.50
4. Step 4: Simplify right side
   323,047.50x = 49,152,760,572.74
5. Step 5: Solve for x
   x = 49,152,760,572.74/323,047.50
6. Step 6: Final answer
   x = 152,153.35