Finding the Fourth Proportional to 81,844.72, 112,946.88 and 48,310.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,844.72 : 112,946.88 = 48,310.72 : x
2. Step 2: Convert to fraction form
   81,844.72/112,946.88 = 48,310.72/x
3. Step 3: Cross multiply
   81,844.72x = 112,946.88 × 48,310.72
4. Step 4: Simplify right side
   81,844.72x = 5,456,545,094.55
5. Step 5: Solve for x
   x = 5,456,545,094.55/81,844.72
6. Step 6: Final answer
   x = 66,669.48