Finding the Fourth Proportional to 2,255.31, 3,109.93 and 1,548.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.31 : 3,109.93 = 1,548.18 : x
2. Step 2: Convert to fraction form
   2,255.31/3,109.93 = 1,548.18/x
3. Step 3: Cross multiply
   2,255.31x = 3,109.93 × 1,548.18
4. Step 4: Simplify right side
   2,255.31x = 4,814,731.43
5. Step 5: Solve for x
   x = 4,814,731.43/2,255.31
6. Step 6: Final answer
   x = 2,134.84