Finding the Fourth Proportional to 12,748.19, 17,592.39 and 7,005.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748.19 : 17,592.39 = 7,005.71 : x
2. Step 2: Convert to fraction form
   12,748.19/17,592.39 = 7,005.71/x
3. Step 3: Cross multiply
   12,748.19x = 17,592.39 × 7,005.71
4. Step 4: Simplify right side
   12,748.19x = 123,247,226.53
5. Step 5: Solve for x
   x = 123,247,226.53/12,748.19
6. Step 6: Final answer
   x = 9,667.83