Finding the Fourth Proportional to 11,056.80, 15,261.52 and 7,282.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,056.80 : 15,261.52 = 7,282.72 : x
2. Step 2: Convert to fraction form
   11,056.80/15,261.52 = 7,282.72/x
3. Step 3: Cross multiply
   11,056.80x = 15,261.52 × 7,282.72
4. Step 4: Simplify right side
   11,056.80x = 111,145,376.93
5. Step 5: Solve for x
   x = 111,145,376.93/11,056.80
6. Step 6: Final answer
   x = 10,052.22