Finding the Fourth Proportional to 5,105.71, 7,623.98 and 4,053.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.71 : 7,623.98 = 4,053.91 : x
2. Step 2: Convert to fraction form
   5,105.71/7,623.98 = 4,053.91/x
3. Step 3: Cross multiply
   5,105.71x = 7,623.98 × 4,053.91
4. Step 4: Simplify right side
   5,105.71x = 30,906,928.76
5. Step 5: Solve for x
   x = 30,906,928.76/5,105.71
6. Step 6: Final answer
   x = 6,053.40