Finding the Fourth Proportional to 2,291.47, 3,164.81 and 1,548.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.47 : 3,164.81 = 1,548.50 : x
2. Step 2: Convert to fraction form
   2,291.47/3,164.81 = 1,548.50/x
3. Step 3: Cross multiply
   2,291.47x = 3,164.81 × 1,548.50
4. Step 4: Simplify right side
   2,291.47x = 4,900,684.72
5. Step 5: Solve for x
   x = 4,900,684.72/2,291.47
6. Step 6: Final answer
   x = 2,138.67