Finding the Fourth Proportional to 1,931.63, 2,893.71 and 1,271.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.63 : 2,893.71 = 1,271.52 : x
2. Step 2: Convert to fraction form
   1,931.63/2,893.71 = 1,271.52/x
3. Step 3: Cross multiply
   1,931.63x = 2,893.71 × 1,271.52
4. Step 4: Simplify right side
   1,931.63x = 3,679,399.62
5. Step 5: Solve for x
   x = 3,679,399.62/1,931.63
6. Step 6: Final answer
   x = 1,904.82