Finding the Fourth Proportional to 79,821.71, 110,146.17 and 49,190.04

Step by Step Solution

1. Step 1: Write the proportion equation
   79,821.71 : 110,146.17 = 49,190.04 : x
2. Step 2: Convert to fraction form
   79,821.71/110,146.17 = 49,190.04/x
3. Step 3: Cross multiply
   79,821.71x = 110,146.17 × 49,190.04
4. Step 4: Simplify right side
   79,821.71x = 5,418,094,508.15
5. Step 5: Solve for x
   x = 5,418,094,508.15/79,821.71
6. Step 6: Final answer
   x = 67,877.45