Finding the Fourth Proportional to 7,291, 10,061.58 and 3,979

Step by Step Solution

1. Step 1: Write the proportion equation
   7,291 : 10,061.58 = 3,979 : x
2. Step 2: Convert to fraction form
   7,291/10,061.58 = 3,979/x
3. Step 3: Cross multiply
   7,291x = 10,061.58 × 3,979
4. Step 4: Simplify right side
   7,291x = 40,035,026.82
5. Step 5: Solve for x
   x = 40,035,026.82/7,291
6. Step 6: Final answer
   x = 5,491.02