Finding the Fourth Proportional to 78,589.06, 117,884.82 and 43,750.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,589.06 : 117,884.82 = 43,750.15 : x
2. Step 2: Convert to fraction form
   78,589.06/117,884.82 = 43,750.15/x
3. Step 3: Cross multiply
   78,589.06x = 117,884.82 × 43,750.15
4. Step 4: Simplify right side
   78,589.06x = 5,157,478,557.72
5. Step 5: Solve for x
   x = 5,157,478,557.72/78,589.06
6. Step 6: Final answer
   x = 65,625.91