Finding the Fourth Proportional to 78,479.02, 117,715.92 and 34,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,479.02 : 117,715.92 = 34,105.82 : x
2. Step 2: Convert to fraction form
   78,479.02/117,715.92 = 34,105.82/x
3. Step 3: Cross multiply
   78,479.02x = 117,715.92 × 34,105.82
4. Step 4: Simplify right side
   78,479.02x = 4,014,797,390.07
5. Step 5: Solve for x
   x = 4,014,797,390.07/78,479.02
6. Step 6: Final answer
   x = 51,157.59