Finding the Fourth Proportional to 323,068.10, 484,602.02 and 86,404.62

Step by Step Solution

1. Step 1: Write the proportion equation
   323,068.10 : 484,602.02 = 86,404.62 : x
2. Step 2: Convert to fraction form
   323,068.10/484,602.02 = 86,404.62/x
3. Step 3: Cross multiply
   323,068.10x = 484,602.02 × 86,404.62
4. Step 4: Simplify right side
   323,068.10x = 41,871,853,389.33
5. Step 5: Solve for x
   x = 41,871,853,389.33/323,068.10
6. Step 6: Final answer
   x = 129,606.90