Finding the Fourth Proportional to 5,426.93, 8,141.72 and 2,140.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,426.93 : 8,141.72 = 2,140.16 : x
2. Step 2: Convert to fraction form
   5,426.93/8,141.72 = 2,140.16/x
3. Step 3: Cross multiply
   5,426.93x = 8,141.72 × 2,140.16
4. Step 4: Simplify right side
   5,426.93x = 17,424,532.07
5. Step 5: Solve for x
   x = 17,424,532.07/5,426.93
6. Step 6: Final answer
   x = 3,210.75