Finding the Fourth Proportional to 11,404.99, 15,738.03 and 7,155.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,404.99 : 15,738.03 = 7,155.83 : x
2. Step 2: Convert to fraction form
   11,404.99/15,738.03 = 7,155.83/x
3. Step 3: Cross multiply
   11,404.99x = 15,738.03 × 7,155.83
4. Step 4: Simplify right side
   11,404.99x = 112,618,592.09
5. Step 5: Solve for x
   x = 112,618,592.09/11,404.99
6. Step 6: Final answer
   x = 9,874.50