Finding the Fourth Proportional to 12,271.98, 16,934.88 and 7,499.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,271.98 : 16,934.88 = 7,499.91 : x
2. Step 2: Convert to fraction form
   12,271.98/16,934.88 = 7,499.91/x
3. Step 3: Cross multiply
   12,271.98x = 16,934.88 × 7,499.91
4. Step 4: Simplify right side
   12,271.98x = 127,010,075.86
5. Step 5: Solve for x
   x = 127,010,075.86/12,271.98
6. Step 6: Final answer
   x = 10,349.60