Finding the Fourth Proportional to 10,653.08, 15,980.78 and 2,862.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,653.08 : 15,980.78 = 2,862.50 : x
2. Step 2: Convert to fraction form
   10,653.08/15,980.78 = 2,862.50/x
3. Step 3: Cross multiply
   10,653.08x = 15,980.78 × 2,862.50
4. Step 4: Simplify right side
   10,653.08x = 45,744,910.00
5. Step 5: Solve for x
   x = 45,744,910.00/10,653.08
6. Step 6: Final answer
   x = 4,294.06