Finding the Fourth Proportional to 323,061.41, 484,592.63 and 86,404.12

Step by Step Solution

1. Step 1: Write the proportion equation
   323,061.41 : 484,592.63 = 86,404.12 : x
2. Step 2: Convert to fraction form
   323,061.41/484,592.63 = 86,404.12/x
3. Step 3: Cross multiply
   323,061.41x = 484,592.63 × 86,404.12
4. Step 4: Simplify right side
   323,061.41x = 41,870,798,110.13
5. Step 5: Solve for x
   x = 41,870,798,110.13/323,061.41
6. Step 6: Final answer
   x = 129,606.31