Finding the Fourth Proportional to 11,827.32, 17,744.78 and 3,507.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,827.32 : 17,744.78 = 3,507.40 : x
2. Step 2: Convert to fraction form
   11,827.32/17,744.78 = 3,507.40/x
3. Step 3: Cross multiply
   11,827.32x = 17,744.78 × 3,507.40
4. Step 4: Simplify right side
   11,827.32x = 62,238,041.37
5. Step 5: Solve for x
   x = 62,238,041.37/11,827.32
6. Step 6: Final answer
   x = 5,262.23