Finding the Fourth Proportional to 10,377.52, 14,321.01 and 5,661.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,377.52 : 14,321.01 = 5,661.79 : x
2. Step 2: Convert to fraction form
   10,377.52/14,321.01 = 5,661.79/x
3. Step 3: Cross multiply
   10,377.52x = 14,321.01 × 5,661.79
4. Step 4: Simplify right side
   10,377.52x = 81,082,551.21
5. Step 5: Solve for x
   x = 81,082,551.21/10,377.52
6. Step 6: Final answer
   x = 7,813.29