Finding the Fourth Proportional to 9,787.50, 14,681.25 and 2,862

Step by Step Solution

1. Step 1: Write the proportion equation
   9,787.50 : 14,681.25 = 2,862 : x
2. Step 2: Convert to fraction form
   9,787.50/14,681.25 = 2,862/x
3. Step 3: Cross multiply
   9,787.50x = 14,681.25 × 2,862
4. Step 4: Simplify right side
   9,787.50x = 42,017,737.50
5. Step 5: Solve for x
   x = 42,017,737.50/9,787.50
6. Step 6: Final answer
   x = 4,293