Finding the Fourth Proportional to 12,474.10, 17,213.82 and 7,435.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,474.10 : 17,213.82 = 7,435.72 : x
2. Step 2: Convert to fraction form
   12,474.10/17,213.82 = 7,435.72/x
3. Step 3: Cross multiply
   12,474.10x = 17,213.82 × 7,435.72
4. Step 4: Simplify right side
   12,474.10x = 127,997,121.21
5. Step 5: Solve for x
   x = 127,997,121.21/12,474.10
6. Step 6: Final answer
   x = 10,261.03