Finding the Fourth Proportional to 9,958.30, 13,742.34 and 5,481.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,958.30 : 13,742.34 = 5,481.95 : x
2. Step 2: Convert to fraction form
   9,958.30/13,742.34 = 5,481.95/x
3. Step 3: Cross multiply
   9,958.30x = 13,742.34 × 5,481.95
4. Step 4: Simplify right side
   9,958.30x = 75,334,820.76
5. Step 5: Solve for x
   x = 75,334,820.76/9,958.30
6. Step 6: Final answer
   x = 7,565.03