Finding the Fourth Proportional to 78,479.96, 117,717.31 and 34,106.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,479.96 : 117,717.31 = 34,106.72 : x
2. Step 2: Convert to fraction form
   78,479.96/117,717.31 = 34,106.72/x
3. Step 3: Cross multiply
   78,479.96x = 117,717.31 × 34,106.72
4. Step 4: Simplify right side
   78,479.96x = 4,014,951,279.66
5. Step 5: Solve for x
   x = 4,014,951,279.66/78,479.96
6. Step 6: Final answer
   x = 51,158.93