Finding the Fourth Proportional to 7,347.59, 10,139.33 and 4,160.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,347.59 : 10,139.33 = 4,160.81 : x
2. Step 2: Convert to fraction form
   7,347.59/10,139.33 = 4,160.81/x
3. Step 3: Cross multiply
   7,347.59x = 10,139.33 × 4,160.81
4. Step 4: Simplify right side
   7,347.59x = 42,187,861.06
5. Step 5: Solve for x
   x = 42,187,861.06/7,347.59
6. Step 6: Final answer
   x = 5,741.73