Finding the Fourth Proportional to 9,943.94, 13,722.34 and 5,694.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943.94 : 13,722.34 = 5,694.86 : x
2. Step 2: Convert to fraction form
   9,943.94/13,722.34 = 5,694.86/x
3. Step 3: Cross multiply
   9,943.94x = 13,722.34 × 5,694.86
4. Step 4: Simplify right side
   9,943.94x = 78,146,805.17
5. Step 5: Solve for x
   x = 78,146,805.17/9,943.94
6. Step 6: Final answer
   x = 7,858.74