Finding the Fourth Proportional to 1,337.18, 1,844.71 and 840.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.18 : 1,844.71 = 840.11 : x
2. Step 2: Convert to fraction form
   1,337.18/1,844.71 = 840.11/x
3. Step 3: Cross multiply
   1,337.18x = 1,844.71 × 840.11
4. Step 4: Simplify right side
   1,337.18x = 1,549,747.99
5. Step 5: Solve for x
   x = 1,549,747.99/1,337.18
6. Step 6: Final answer
   x = 1,158.97