Finding the Fourth Proportional to 79,611.34, 109,801.45 and 49,379.71

Step by Step Solution

1. Step 1: Write the proportion equation
   79,611.34 : 109,801.45 = 49,379.71 : x
2. Step 2: Convert to fraction form
   79,611.34/109,801.45 = 49,379.71/x
3. Step 3: Cross multiply
   79,611.34x = 109,801.45 × 49,379.71
4. Step 4: Simplify right side
   79,611.34x = 5,421,963,758.58
5. Step 5: Solve for x
   x = 5,421,963,758.58/79,611.34
6. Step 6: Final answer
   x = 68,105.42