Finding the Fourth Proportional to 12,614.19, 17,409.61 and 7,312.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,614.19 : 17,409.61 = 7,312.06 : x
2. Step 2: Convert to fraction form
   12,614.19/17,409.61 = 7,312.06/x
3. Step 3: Cross multiply
   12,614.19x = 17,409.61 × 7,312.06
4. Step 4: Simplify right side
   12,614.19x = 127,300,112.90
5. Step 5: Solve for x
   x = 127,300,112.90/12,614.19
6. Step 6: Final answer
   x = 10,091.82