Finding the Fourth Proportional to 7,003.71, 9,659.39 and 5,113.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.71 : 9,659.39 = 5,113.17 : x
2. Step 2: Convert to fraction form
   7,003.71/9,659.39 = 5,113.17/x
3. Step 3: Cross multiply
   7,003.71x = 9,659.39 × 5,113.17
4. Step 4: Simplify right side
   7,003.71x = 49,390,077.60
5. Step 5: Solve for x
   x = 49,390,077.60/7,003.71
6. Step 6: Final answer
   x = 7,051.99