Finding the Fourth Proportional to 78,439.04, 117,577.52 and 31,034.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,439.04 : 117,577.52 = 31,034.96 : x
2. Step 2: Convert to fraction form
   78,439.04/117,577.52 = 31,034.96/x
3. Step 3: Cross multiply
   78,439.04x = 117,577.52 × 31,034.96
4. Step 4: Simplify right side
   78,439.04x = 3,649,013,630.10
5. Step 5: Solve for x
   x = 3,649,013,630.10/78,439.04
6. Step 6: Final answer
   x = 46,520.38