Finding the Fourth Proportional to 8,865.84, 13,298.72 and 2,625.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,865.84 : 13,298.72 = 2,625.89 : x
2. Step 2: Convert to fraction form
   8,865.84/13,298.72 = 2,625.89/x
3. Step 3: Cross multiply
   8,865.84x = 13,298.72 × 2,625.89
4. Step 4: Simplify right side
   8,865.84x = 34,920,975.86
5. Step 5: Solve for x
   x = 34,920,975.86/8,865.84
6. Step 6: Final answer
   x = 3,938.82