Finding the Fourth Proportional to 7,271.86, 10,910.52 and 2,892.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,271.86 : 10,910.52 = 2,892.40 : x
2. Step 2: Convert to fraction form
   7,271.86/10,910.52 = 2,892.40/x
3. Step 3: Cross multiply
   7,271.86x = 10,910.52 × 2,892.40
4. Step 4: Simplify right side
   7,271.86x = 31,557,588.05
5. Step 5: Solve for x
   x = 31,557,588.05/7,271.86
6. Step 6: Final answer
   x = 4,339.69