Finding the Fourth Proportional to 79,826.59, 119,775.25 and 42,377.63

Step by Step Solution

1. Step 1: Write the proportion equation
   79,826.59 : 119,775.25 = 42,377.63 : x
2. Step 2: Convert to fraction form
   79,826.59/119,775.25 = 42,377.63/x
3. Step 3: Cross multiply
   79,826.59x = 119,775.25 × 42,377.63
4. Step 4: Simplify right side
   79,826.59x = 5,075,791,227.66
5. Step 5: Solve for x
   x = 5,075,791,227.66/79,826.59
6. Step 6: Final answer
   x = 63,585.22