Finding the Fourth Proportional to 323,277.59, 484,916.06 and 86,613.81

Step by Step Solution

1. Step 1: Write the proportion equation
   323,277.59 : 484,916.06 = 86,613.81 : x
2. Step 2: Convert to fraction form
   323,277.59/484,916.06 = 86,613.81/x
3. Step 3: Cross multiply
   323,277.59x = 484,916.06 × 86,613.81
4. Step 4: Simplify right side
   323,277.59x = 42,000,427,053.72
5. Step 5: Solve for x
   x = 42,000,427,053.72/323,277.59
6. Step 6: Final answer
   x = 129,920.63