Finding the Fourth Proportional to 78,385.50, 117,597.78 and 22,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,385.50 : 117,597.78 = 22,981.50 : x
2. Step 2: Convert to fraction form
   78,385.50/117,597.78 = 22,981.50/x
3. Step 3: Cross multiply
   78,385.50x = 117,597.78 × 22,981.50
4. Step 4: Simplify right side
   78,385.50x = 2,702,573,381.07
5. Step 5: Solve for x
   x = 2,702,573,381.07/78,385.50
6. Step 6: Final answer
   x = 34,477.98