Finding the Fourth Proportional to 85,091.32, 117,428.72 and 46,854.88

Step by Step Solution

1. Step 1: Write the proportion equation
   85,091.32 : 117,428.72 = 46,854.88 : x
2. Step 2: Convert to fraction form
   85,091.32/117,428.72 = 46,854.88/x
3. Step 3: Cross multiply
   85,091.32x = 117,428.72 × 46,854.88
4. Step 4: Simplify right side
   85,091.32x = 5,502,108,584.15
5. Step 5: Solve for x
   x = 5,502,108,584.15/85,091.32
6. Step 6: Final answer
   x = 64,661.22