Finding the Fourth Proportional to 1,347.37, 1,854.56 and 953.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.37 : 1,854.56 = 953.71 : x
2. Step 2: Convert to fraction form
   1,347.37/1,854.56 = 953.71/x
3. Step 3: Cross multiply
   1,347.37x = 1,854.56 × 953.71
4. Step 4: Simplify right side
   1,347.37x = 1,768,712.42
5. Step 5: Solve for x
   x = 1,768,712.42/1,347.37
6. Step 6: Final answer
   x = 1,312.71