Finding the Fourth Proportional to 78,454.62, 117,615.60 and 34,047.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,454.62 : 117,615.60 = 34,047.98 : x
2. Step 2: Convert to fraction form
   78,454.62/117,615.60 = 34,047.98/x
3. Step 3: Cross multiply
   78,454.62x = 117,615.60 × 34,047.98
4. Step 4: Simplify right side
   78,454.62x = 4,004,573,596.49
5. Step 5: Solve for x
   x = 4,004,573,596.49/78,454.62
6. Step 6: Final answer
   x = 51,043.18