Finding the Fourth Proportional to 10,877.61, 15,002.77 and 7,291.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,877.61 : 15,002.77 = 7,291.44 : x
2. Step 2: Convert to fraction form
   10,877.61/15,002.77 = 7,291.44/x
3. Step 3: Cross multiply
   10,877.61x = 15,002.77 × 7,291.44
4. Step 4: Simplify right side
   10,877.61x = 109,391,797.29
5. Step 5: Solve for x
   x = 109,391,797.29/10,877.61
6. Step 6: Final answer
   x = 10,056.60