Finding the Fourth Proportional to 9,922.89, 14,882.63 and 2,807.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,922.89 : 14,882.63 = 2,807.63 : x
2. Step 2: Convert to fraction form
   9,922.89/14,882.63 = 2,807.63/x
3. Step 3: Cross multiply
   9,922.89x = 14,882.63 × 2,807.63
4. Step 4: Simplify right side
   9,922.89x = 41,784,830.02
5. Step 5: Solve for x
   x = 41,784,830.02/9,922.89
6. Step 6: Final answer
   x = 4,210.95