Finding the Fourth Proportional to 7,665.33, 11,499.33 and 2,987.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,665.33 : 11,499.33 = 2,987.89 : x
2. Step 2: Convert to fraction form
   7,665.33/11,499.33 = 2,987.89/x
3. Step 3: Cross multiply
   7,665.33x = 11,499.33 × 2,987.89
4. Step 4: Simplify right side
   7,665.33x = 34,358,715.57
5. Step 5: Solve for x
   x = 34,358,715.57/7,665.33
6. Step 6: Final answer
   x = 4,482.35