Finding the Fourth Proportional to 1,877.30, 2,818.56 and 953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,877.30 : 2,818.56 = 953.50 : x
2. Step 2: Convert to fraction form
   1,877.30/2,818.56 = 953.50/x
3. Step 3: Cross multiply
   1,877.30x = 2,818.56 × 953.50
4. Step 4: Simplify right side
   1,877.30x = 2,687,496.96
5. Step 5: Solve for x
   x = 2,687,496.96/1,877.30
6. Step 6: Final answer
   x = 1,431.58