Finding the Fourth Proportional to 10,633.32, 15,945.84 and 4,394.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,633.32 : 15,945.84 = 4,394.34 : x
2. Step 2: Convert to fraction form
   10,633.32/15,945.84 = 4,394.34/x
3. Step 3: Cross multiply
   10,633.32x = 15,945.84 × 4,394.34
4. Step 4: Simplify right side
   10,633.32x = 70,071,442.55
5. Step 5: Solve for x
   x = 70,071,442.55/10,633.32
6. Step 6: Final answer
   x = 6,589.80