Finding the Fourth Proportional to 87,321.75, 120,501.27 and 49,080.33

Step by Step Solution

1. Step 1: Write the proportion equation
   87,321.75 : 120,501.27 = 49,080.33 : x
2. Step 2: Convert to fraction form
   87,321.75/120,501.27 = 49,080.33/x
3. Step 3: Cross multiply
   87,321.75x = 120,501.27 × 49,080.33
4. Step 4: Simplify right side
   87,321.75x = 5,914,242,097.02
5. Step 5: Solve for x
   x = 5,914,242,097.02/87,321.75
6. Step 6: Final answer
   x = 67,729.32