Finding the Fourth Proportional to 19,180.34, 28,758.99 and 7,499.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,180.34 : 28,758.99 = 7,499.06 : x
2. Step 2: Convert to fraction form
   19,180.34/28,758.99 = 7,499.06/x
3. Step 3: Cross multiply
   19,180.34x = 28,758.99 × 7,499.06
4. Step 4: Simplify right side
   19,180.34x = 215,665,391.55
5. Step 5: Solve for x
   x = 215,665,391.55/19,180.34
6. Step 6: Final answer
   x = 11,244.09