Finding the Fourth Proportional to 88,077.27, 121,546.32 and 47,790.30

Step by Step Solution

1. Step 1: Write the proportion equation
   88,077.27 : 121,546.32 = 47,790.30 : x
2. Step 2: Convert to fraction form
   88,077.27/121,546.32 = 47,790.30/x
3. Step 3: Cross multiply
   88,077.27x = 121,546.32 × 47,790.30
4. Step 4: Simplify right side
   88,077.27x = 5,808,735,642.10
5. Step 5: Solve for x
   x = 5,808,735,642.10/88,077.27
6. Step 6: Final answer
   x = 65,950.45