Finding the Fourth Proportional to 1,375.27, 1,898.00 and 785.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.27 : 1,898.00 = 785.86 : x
2. Step 2: Convert to fraction form
   1,375.27/1,898.00 = 785.86/x
3. Step 3: Cross multiply
   1,375.27x = 1,898.00 × 785.86
4. Step 4: Simplify right side
   1,375.27x = 1,491,556.55
5. Step 5: Solve for x
   x = 1,491,556.55/1,375.27
6. Step 6: Final answer
   x = 1,084.56