Finding the Fourth Proportional to 81,891.14, 113,009.42 and 46,081.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,891.14 : 113,009.42 = 46,081.76 : x
2. Step 2: Convert to fraction form
   81,891.14/113,009.42 = 46,081.76/x
3. Step 3: Cross multiply
   81,891.14x = 113,009.42 × 46,081.76
4. Step 4: Simplify right side
   81,891.14x = 5,207,672,520.34
5. Step 5: Solve for x
   x = 5,207,672,520.34/81,891.14
6. Step 6: Final answer
   x = 63,592.62