Finding the Fourth Proportional to 12,651.98, 17,463.20 and 7,348.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,651.98 : 17,463.20 = 7,348.50 : x
2. Step 2: Convert to fraction form
   12,651.98/17,463.20 = 7,348.50/x
3. Step 3: Cross multiply
   12,651.98x = 17,463.20 × 7,348.50
4. Step 4: Simplify right side
   12,651.98x = 128,328,288.46
5. Step 5: Solve for x
   x = 128,328,288.46/12,651.98
6. Step 6: Final answer
   x = 10,142.95