Finding the Fourth Proportional to 1,375.34, 1,897.89 and 785.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.34 : 1,897.89 = 785.93 : x
2. Step 2: Convert to fraction form
   1,375.34/1,897.89 = 785.93/x
3. Step 3: Cross multiply
   1,375.34x = 1,897.89 × 785.93
4. Step 4: Simplify right side
   1,375.34x = 1,491,608.69
5. Step 5: Solve for x
   x = 1,491,608.69/1,375.34
6. Step 6: Final answer
   x = 1,084.54