Finding the Fourth Proportional to 8,731.27, 13,097.72 and 2,887.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,731.27 : 13,097.72 = 2,887.93 : x
2. Step 2: Convert to fraction form
   8,731.27/13,097.72 = 2,887.93/x
3. Step 3: Cross multiply
   8,731.27x = 13,097.72 × 2,887.93
4. Step 4: Simplify right side
   8,731.27x = 37,825,298.52
5. Step 5: Solve for x
   x = 37,825,298.52/8,731.27
6. Step 6: Final answer
   x = 4,332.16