Finding the Fourth Proportional to 1,376.57, 1,897.56 and 844.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.57 : 1,897.56 = 844.47 : x
2. Step 2: Convert to fraction form
   1,376.57/1,897.56 = 844.47/x
3. Step 3: Cross multiply
   1,376.57x = 1,897.56 × 844.47
4. Step 4: Simplify right side
   1,376.57x = 1,602,432.49
5. Step 5: Solve for x
   x = 1,602,432.49/1,376.57
6. Step 6: Final answer
   x = 1,164.07