Finding the Fourth Proportional to 14,755.50, 22,147.83 and 7,830

Step by Step Solution

1. Step 1: Write the proportion equation
   14,755.50 : 22,147.83 = 7,830 : x
2. Step 2: Convert to fraction form
   14,755.50/22,147.83 = 7,830/x
3. Step 3: Cross multiply
   14,755.50x = 22,147.83 × 7,830
4. Step 4: Simplify right side
   14,755.50x = 173,417,508.90
5. Step 5: Solve for x
   x = 173,417,508.90/14,755.50
6. Step 6: Final answer
   x = 11,752.74