Finding the Fourth Proportional to 1,337.03, 1,846.28 and 840.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.03 : 1,846.28 = 840.50 : x
2. Step 2: Convert to fraction form
   1,337.03/1,846.28 = 840.50/x
3. Step 3: Cross multiply
   1,337.03x = 1,846.28 × 840.50
4. Step 4: Simplify right side
   1,337.03x = 1,551,784.91
5. Step 5: Solve for x
   x = 1,551,784.91/1,337.03
6. Step 6: Final answer
   x = 1,160.63