Finding the Fourth Proportional to 8,973.15, 13,488.89 and 8,052.99

Step by Step Solution

1. Step 1: Write the proportion equation
   8,973.15 : 13,488.89 = 8,052.99 : x
2. Step 2: Convert to fraction form
   8,973.15/13,488.89 = 8,052.99/x
3. Step 3: Cross multiply
   8,973.15x = 13,488.89 × 8,052.99
4. Step 4: Simplify right side
   8,973.15x = 108,625,856.02
5. Step 5: Solve for x
   x = 108,625,856.02/8,973.15
6. Step 6: Final answer
   x = 12,105.65