Finding the Fourth Proportional to 10,748.63, 14,844.36 and 7,400.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,748.63 : 14,844.36 = 7,400.09 : x
2. Step 2: Convert to fraction form
   10,748.63/14,844.36 = 7,400.09/x
3. Step 3: Cross multiply
   10,748.63x = 14,844.36 × 7,400.09
4. Step 4: Simplify right side
   10,748.63x = 109,849,664.85
5. Step 5: Solve for x
   x = 109,849,664.85/10,748.63
6. Step 6: Final answer
   x = 10,219.87