Finding the Fourth Proportional to 5,641.72, 8,460.72 and 2,353.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,641.72 : 8,460.72 = 2,353.93 : x
2. Step 2: Convert to fraction form
   5,641.72/8,460.72 = 2,353.93/x
3. Step 3: Cross multiply
   5,641.72x = 8,460.72 × 2,353.93
4. Step 4: Simplify right side
   5,641.72x = 19,915,921.48
5. Step 5: Solve for x
   x = 19,915,921.48/5,641.72
6. Step 6: Final answer
   x = 3,530.12