Finding the Fourth Proportional to 5,300.61, 7,315.71 and 2,943.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.61 : 7,315.71 = 2,943.51 : x
2. Step 2: Convert to fraction form
   5,300.61/7,315.71 = 2,943.51/x
3. Step 3: Cross multiply
   5,300.61x = 7,315.71 × 2,943.51
4. Step 4: Simplify right side
   5,300.61x = 21,533,865.54
5. Step 5: Solve for x
   x = 21,533,865.54/5,300.61
6. Step 6: Final answer
   x = 4,062.53