Finding the Fourth Proportional to 9,890.56, 14,833.52 and 2,868.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,890.56 : 14,833.52 = 2,868.72 : x
2. Step 2: Convert to fraction form
   9,890.56/14,833.52 = 2,868.72/x
3. Step 3: Cross multiply
   9,890.56x = 14,833.52 × 2,868.72
4. Step 4: Simplify right side
   9,890.56x = 42,553,215.49
5. Step 5: Solve for x
   x = 42,553,215.49/9,890.56
6. Step 6: Final answer
   x = 4,302.41