Finding the Fourth Proportional to 79,897.73, 110,298.78 and 49,692.78

Step by Step Solution

1. Step 1: Write the proportion equation
   79,897.73 : 110,298.78 = 49,692.78 : x
2. Step 2: Convert to fraction form
   79,897.73/110,298.78 = 49,692.78/x
3. Step 3: Cross multiply
   79,897.73x = 110,298.78 × 49,692.78
4. Step 4: Simplify right side
   79,897.73x = 5,481,053,008.81
5. Step 5: Solve for x
   x = 5,481,053,008.81/79,897.73
6. Step 6: Final answer
   x = 68,600.86