Finding the Fourth Proportional to 9,927.84, 14,892.72 and 2,812.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,927.84 : 14,892.72 = 2,812.10 : x
2. Step 2: Convert to fraction form
   9,927.84/14,892.72 = 2,812.10/x
3. Step 3: Cross multiply
   9,927.84x = 14,892.72 × 2,812.10
4. Step 4: Simplify right side
   9,927.84x = 41,879,817.91
5. Step 5: Solve for x
   x = 41,879,817.91/9,927.84
6. Step 6: Final answer
   x = 4,218.42