Finding the Fourth Proportional to 81,288.72, 112,195.98 and 49,467.84

Step by Step Solution

1. Step 1: Write the proportion equation
   81,288.72 : 112,195.98 = 49,467.84 : x
2. Step 2: Convert to fraction form
   81,288.72/112,195.98 = 49,467.84/x
3. Step 3: Cross multiply
   81,288.72x = 112,195.98 × 49,467.84
4. Step 4: Simplify right side
   81,288.72x = 5,550,092,787.28
5. Step 5: Solve for x
   x = 5,550,092,787.28/81,288.72
6. Step 6: Final answer
   x = 68,276.30