Finding the Fourth Proportional to 9,930.67, 13,705.91 and 5,741.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.67 : 13,705.91 = 5,741.35 : x
2. Step 2: Convert to fraction form
   9,930.67/13,705.91 = 5,741.35/x
3. Step 3: Cross multiply
   9,930.67x = 13,705.91 × 5,741.35
4. Step 4: Simplify right side
   9,930.67x = 78,690,426.38
5. Step 5: Solve for x
   x = 78,690,426.38/9,930.67
6. Step 6: Final answer
   x = 7,923.98