Finding the Fourth Proportional to 78,074.50, 117,115 and 22,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,074.50 : 117,115 = 22,670.50 : x
2. Step 2: Convert to fraction form
   78,074.50/117,115 = 22,670.50/x
3. Step 3: Cross multiply
   78,074.50x = 117,115 × 22,670.50
4. Step 4: Simplify right side
   78,074.50x = 2,655,055,607.50
5. Step 5: Solve for x
   x = 2,655,055,607.50/78,074.50
6. Step 6: Final answer
   x = 34,006.69