Finding the Fourth Proportional to 5,460.42, 8,190.61 and 1,564.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,460.42 : 8,190.61 = 1,564.83 : x
2. Step 2: Convert to fraction form
   5,460.42/8,190.61 = 1,564.83/x
3. Step 3: Cross multiply
   5,460.42x = 8,190.61 × 1,564.83
4. Step 4: Simplify right side
   5,460.42x = 12,816,908.33
5. Step 5: Solve for x
   x = 12,816,908.33/5,460.42
6. Step 6: Final answer
   x = 2,347.24