Finding the Fourth Proportional to 6,588.88, 9,887.69 and 3,079.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,588.88 : 9,887.69 = 3,079.15 : x
2. Step 2: Convert to fraction form
   6,588.88/9,887.69 = 3,079.15/x
3. Step 3: Cross multiply
   6,588.88x = 9,887.69 × 3,079.15
4. Step 4: Simplify right side
   6,588.88x = 30,445,694.53
5. Step 5: Solve for x
   x = 30,445,694.53/6,588.88
6. Step 6: Final answer
   x = 4,620.77