Finding the Fourth Proportional to 79,259.72, 109,389.60 and 49,054.76

Step by Step Solution

1. Step 1: Write the proportion equation
   79,259.72 : 109,389.60 = 49,054.76 : x
2. Step 2: Convert to fraction form
   79,259.72/109,389.60 = 49,054.76/x
3. Step 3: Cross multiply
   79,259.72x = 109,389.60 × 49,054.76
4. Step 4: Simplify right side
   79,259.72x = 5,366,080,574.50
5. Step 5: Solve for x
   x = 5,366,080,574.50/79,259.72
6. Step 6: Final answer
   x = 67,702.49