Finding the Fourth Proportional to 78,478.06, 117,714.46 and 34,104.81

Step by Step Solution

1. Step 1: Write the proportion equation
   78,478.06 : 117,714.46 = 34,104.81 : x
2. Step 2: Convert to fraction form
   78,478.06/117,714.46 = 34,104.81/x
3. Step 3: Cross multiply
   78,478.06x = 117,714.46 × 34,104.81
4. Step 4: Simplify right side
   78,478.06x = 4,014,629,726.40
5. Step 5: Solve for x
   x = 4,014,629,726.40/78,478.06
6. Step 6: Final answer
   x = 51,156.08