Finding the Fourth Proportional to 87,707.58, 121,033.59 and 49,468.12

Step by Step Solution

1. Step 1: Write the proportion equation
   87,707.58 : 121,033.59 = 49,468.12 : x
2. Step 2: Convert to fraction form
   87,707.58/121,033.59 = 49,468.12/x
3. Step 3: Cross multiply
   87,707.58x = 121,033.59 × 49,468.12
4. Step 4: Simplify right side
   87,707.58x = 5,987,303,944.32
5. Step 5: Solve for x
   x = 5,987,303,944.32/87,707.58
6. Step 6: Final answer
   x = 68,264.38