Finding the Fourth Proportional to 9,892.91, 14,840.84 and 2,872.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892.91 : 14,840.84 = 2,872.98 : x
2. Step 2: Convert to fraction form
   9,892.91/14,840.84 = 2,872.98/x
3. Step 3: Cross multiply
   9,892.91x = 14,840.84 × 2,872.98
4. Step 4: Simplify right side
   9,892.91x = 42,637,436.50
5. Step 5: Solve for x
   x = 42,637,436.50/9,892.91
6. Step 6: Final answer
   x = 4,309.90