Finding the Fourth Proportional to 81,856.63, 112,960.97 and 45,557.83

Step by Step Solution

1. Step 1: Write the proportion equation
   81,856.63 : 112,960.97 = 45,557.83 : x
2. Step 2: Convert to fraction form
   81,856.63/112,960.97 = 45,557.83/x
3. Step 3: Cross multiply
   81,856.63x = 112,960.97 × 45,557.83
4. Step 4: Simplify right side
   81,856.63x = 5,146,256,328.55
5. Step 5: Solve for x
   x = 5,146,256,328.55/81,856.63
6. Step 6: Final answer
   x = 62,869.15