Finding the Fourth Proportional to 81,960.89, 113,116.79 and 46,157.90

Step by Step Solution

1. Step 1: Write the proportion equation
   81,960.89 : 113,116.79 = 46,157.90 : x
2. Step 2: Convert to fraction form
   81,960.89/113,116.79 = 46,157.90/x
3. Step 3: Cross multiply
   81,960.89x = 113,116.79 × 46,157.90
4. Step 4: Simplify right side
   81,960.89x = 5,221,233,030.95
5. Step 5: Solve for x
   x = 5,221,233,030.95/81,960.89
6. Step 6: Final answer
   x = 63,703.96