Finding the Fourth Proportional to 5,880.72, 8,803.76 and 5,151.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,880.72 : 8,803.76 = 5,151.72 : x
2. Step 2: Convert to fraction form
   5,880.72/8,803.76 = 5,151.72/x
3. Step 3: Cross multiply
   5,880.72x = 8,803.76 × 5,151.72
4. Step 4: Simplify right side
   5,880.72x = 45,354,506.47
5. Step 5: Solve for x
   x = 45,354,506.47/5,880.72
6. Step 6: Final answer
   x = 7,712.41