Finding the Fourth Proportional to 323,978.00, 485,911.62 and 87,265.32

Step by Step Solution

1. Step 1: Write the proportion equation
   323,978.00 : 485,911.62 = 87,265.32 : x
2. Step 2: Convert to fraction form
   323,978.00/485,911.62 = 87,265.32/x
3. Step 3: Cross multiply
   323,978.00x = 485,911.62 × 87,265.32
4. Step 4: Simplify right side
   323,978.00x = 42,403,235,411.45
5. Step 5: Solve for x
   x = 42,403,235,411.45/323,978.00
6. Step 6: Final answer
   x = 130,883.07