Finding the Fourth Proportional to 78,327.55, 108,093.94 and 42,517.47

Step by Step Solution

1. Step 1: Write the proportion equation
   78,327.55 : 108,093.94 = 42,517.47 : x
2. Step 2: Convert to fraction form
   78,327.55/108,093.94 = 42,517.47/x
3. Step 3: Cross multiply
   78,327.55x = 108,093.94 × 42,517.47
4. Step 4: Simplify right side
   78,327.55x = 4,595,880,851.13
5. Step 5: Solve for x
   x = 4,595,880,851.13/78,327.55
6. Step 6: Final answer
   x = 58,675.15