Finding the Fourth Proportional to 11,803.56, 16,288.89 and 7,087.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,803.56 : 16,288.89 = 7,087.83 : x
2. Step 2: Convert to fraction form
   11,803.56/16,288.89 = 7,087.83/x
3. Step 3: Cross multiply
   11,803.56x = 16,288.89 × 7,087.83
4. Step 4: Simplify right side
   11,803.56x = 115,452,883.21
5. Step 5: Solve for x
   x = 115,452,883.21/11,803.56
6. Step 6: Final answer
   x = 9,781.19