Finding the Fourth Proportional to 5,710.16, 7,877.72 and 3,719.99

Step by Step Solution

1. Step 1: Write the proportion equation
   5,710.16 : 7,877.72 = 3,719.99 : x
2. Step 2: Convert to fraction form
   5,710.16/7,877.72 = 3,719.99/x
3. Step 3: Cross multiply
   5,710.16x = 7,877.72 × 3,719.99
4. Step 4: Simplify right side
   5,710.16x = 29,305,068.62
5. Step 5: Solve for x
   x = 29,305,068.62/5,710.16
6. Step 6: Final answer
   x = 5,132.09