Finding the Fourth Proportional to 1,953.38, 2,931.27 and 1,771.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,953.38 : 2,931.27 = 1,771.10 : x
2. Step 2: Convert to fraction form
   1,953.38/2,931.27 = 1,771.10/x
3. Step 3: Cross multiply
   1,953.38x = 2,931.27 × 1,771.10
4. Step 4: Simplify right side
   1,953.38x = 5,191,572.30
5. Step 5: Solve for x
   x = 5,191,572.30/1,953.38
6. Step 6: Final answer
   x = 2,657.74