Finding the Fourth Proportional to 78,480.42, 117,654.27 and 34,073.58

Step by Step Solution

1. Step 1: Write the proportion equation
   78,480.42 : 117,654.27 = 34,073.58 : x
2. Step 2: Convert to fraction form
   78,480.42/117,654.27 = 34,073.58/x
3. Step 3: Cross multiply
   78,480.42x = 117,654.27 × 34,073.58
4. Step 4: Simplify right side
   78,480.42x = 4,008,902,181.19
5. Step 5: Solve for x
   x = 4,008,902,181.19/78,480.42
6. Step 6: Final answer
   x = 51,081.56