Finding the Fourth Proportional to 10,272.72, 15,410.04 and 4,727.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,272.72 : 15,410.04 = 4,727.61 : x
2. Step 2: Convert to fraction form
   10,272.72/15,410.04 = 4,727.61/x
3. Step 3: Cross multiply
   10,272.72x = 15,410.04 × 4,727.61
4. Step 4: Simplify right side
   10,272.72x = 72,852,659.20
5. Step 5: Solve for x
   x = 72,852,659.20/10,272.72
6. Step 6: Final answer
   x = 7,091.86