Finding the Fourth Proportional to 10,259.06, 15,377.59 and 7,328.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,259.06 : 15,377.59 = 7,328.48 : x
2. Step 2: Convert to fraction form
   10,259.06/15,377.59 = 7,328.48/x
3. Step 3: Cross multiply
   10,259.06x = 15,377.59 × 7,328.48
4. Step 4: Simplify right side
   10,259.06x = 112,694,360.76
5. Step 5: Solve for x
   x = 112,694,360.76/10,259.06
6. Step 6: Final answer
   x = 10,984.86