Finding the Fourth Proportional to 10,345.59, 14,276.31 and 5,807.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,345.59 : 14,276.31 = 5,807.85 : x
2. Step 2: Convert to fraction form
   10,345.59/14,276.31 = 5,807.85/x
3. Step 3: Cross multiply
   10,345.59x = 14,276.31 × 5,807.85
4. Step 4: Simplify right side
   10,345.59x = 82,914,667.03
5. Step 5: Solve for x
   x = 82,914,667.03/10,345.59
6. Step 6: Final answer
   x = 8,014.49