Finding the Fourth Proportional to 78,591.25, 117,820.73 and 34,184.55

Step by Step Solution

1. Step 1: Write the proportion equation
   78,591.25 : 117,820.73 = 34,184.55 : x
2. Step 2: Convert to fraction form
   78,591.25/117,820.73 = 34,184.55/x
3. Step 3: Cross multiply
   78,591.25x = 117,820.73 × 34,184.55
4. Step 4: Simplify right side
   78,591.25x = 4,027,648,635.72
5. Step 5: Solve for x
   x = 4,027,648,635.72/78,591.25
6. Step 6: Final answer
   x = 51,248.06