Finding the Fourth Proportional to 79,139.56, 118,718.71 and 49,559.84

Step by Step Solution

1. Step 1: Write the proportion equation
   79,139.56 : 118,718.71 = 49,559.84 : x
2. Step 2: Convert to fraction form
   79,139.56/118,718.71 = 49,559.84/x
3. Step 3: Cross multiply
   79,139.56x = 118,718.71 × 49,559.84
4. Step 4: Simplify right side
   79,139.56x = 5,883,680,272.61
5. Step 5: Solve for x
   x = 5,883,680,272.61/79,139.56
6. Step 6: Final answer
   x = 74,345.63