Finding the Fourth Proportional to 22,839.94, 31,518.84 and 12,630.95

Step by Step Solution

1. Step 1: Write the proportion equation
   22,839.94 : 31,518.84 = 12,630.95 : x
2. Step 2: Convert to fraction form
   22,839.94/31,518.84 = 12,630.95/x
3. Step 3: Cross multiply
   22,839.94x = 31,518.84 × 12,630.95
4. Step 4: Simplify right side
   22,839.94x = 398,112,892.10
5. Step 5: Solve for x
   x = 398,112,892.10/22,839.94
6. Step 6: Final answer
   x = 17,430.56