Finding the Fourth Proportional to 14,474.81, 21,748.52 and 9,212.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,474.81 : 21,748.52 = 9,212.10 : x
2. Step 2: Convert to fraction form
   14,474.81/21,748.52 = 9,212.10/x
3. Step 3: Cross multiply
   14,474.81x = 21,748.52 × 9,212.10
4. Step 4: Simplify right side
   14,474.81x = 200,349,482.57
5. Step 5: Solve for x
   x = 200,349,482.57/14,474.81
6. Step 6: Final answer
   x = 13,841.25