Finding the Fourth Proportional to 81,718.22, 112,758.89 and 45,901.33

Step by Step Solution

1. Step 1: Write the proportion equation
   81,718.22 : 112,758.89 = 45,901.33 : x
2. Step 2: Convert to fraction form
   81,718.22/112,758.89 = 45,901.33/x
3. Step 3: Cross multiply
   81,718.22x = 112,758.89 × 45,901.33
4. Step 4: Simplify right side
   81,718.22x = 5,175,783,143.19
5. Step 5: Solve for x
   x = 5,175,783,143.19/81,718.22
6. Step 6: Final answer
   x = 63,336.96