Finding the Fourth Proportional to 1,375.46, 1,898.10 and 785.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.46 : 1,898.10 = 785.95 : x
2. Step 2: Convert to fraction form
   1,375.46/1,898.10 = 785.95/x
3. Step 3: Cross multiply
   1,375.46x = 1,898.10 × 785.95
4. Step 4: Simplify right side
   1,375.46x = 1,491,814.31
5. Step 5: Solve for x
   x = 1,491,814.31/1,375.46
6. Step 6: Final answer
   x = 1,084.60