Finding the Fourth Proportional to 79,664.88, 109,891.98 and 49,805.04

Step by Step Solution

1. Step 1: Write the proportion equation
   79,664.88 : 109,891.98 = 49,805.04 : x
2. Step 2: Convert to fraction form
   79,664.88/109,891.98 = 49,805.04/x
3. Step 3: Cross multiply
   79,664.88x = 109,891.98 × 49,805.04
4. Step 4: Simplify right side
   79,664.88x = 5,473,174,459.58
5. Step 5: Solve for x
   x = 5,473,174,459.58/79,664.88
6. Step 6: Final answer
   x = 68,702.48