Finding the Fourth Proportional to 12,859.51, 17,746.50 and 7,194.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,859.51 : 17,746.50 = 7,194.10 : x
2. Step 2: Convert to fraction form
   12,859.51/17,746.50 = 7,194.10/x
3. Step 3: Cross multiply
   12,859.51x = 17,746.50 × 7,194.10
4. Step 4: Simplify right side
   12,859.51x = 127,670,095.65
5. Step 5: Solve for x
   x = 127,670,095.65/12,859.51
6. Step 6: Final answer
   x = 9,928.07