Finding the Fourth Proportional to 10,359.76, 14,296.35 and 5,643.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,359.76 : 14,296.35 = 5,643.94 : x
2. Step 2: Convert to fraction form
   10,359.76/14,296.35 = 5,643.94/x
3. Step 3: Cross multiply
   10,359.76x = 14,296.35 × 5,643.94
4. Step 4: Simplify right side
   10,359.76x = 80,687,741.62
5. Step 5: Solve for x
   x = 80,687,741.62/10,359.76
6. Step 6: Final answer
   x = 7,788.57