Finding the Fourth Proportional to 8,339.67, 12,498.87 and 4,588.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,339.67 : 12,498.87 = 4,588.98 : x
2. Step 2: Convert to fraction form
   8,339.67/12,498.87 = 4,588.98/x
3. Step 3: Cross multiply
   8,339.67x = 12,498.87 × 4,588.98
4. Step 4: Simplify right side
   8,339.67x = 57,357,064.45
5. Step 5: Solve for x
   x = 57,357,064.45/8,339.67
6. Step 6: Final answer
   x = 6,877.62