Finding the Fourth Proportional to 2,253.94, 3,106.72 and 1,507.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.94 : 3,106.72 = 1,507.63 : x
2. Step 2: Convert to fraction form
   2,253.94/3,106.72 = 1,507.63/x
3. Step 3: Cross multiply
   2,253.94x = 3,106.72 × 1,507.63
4. Step 4: Simplify right side
   2,253.94x = 4,683,784.27
5. Step 5: Solve for x
   x = 4,683,784.27/2,253.94
6. Step 6: Final answer
   x = 2,078.04