Finding the Fourth Proportional to 1,334.02, 1,840.53 and 862.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.02 : 1,840.53 = 862.18 : x
2. Step 2: Convert to fraction form
   1,334.02/1,840.53 = 862.18/x
3. Step 3: Cross multiply
   1,334.02x = 1,840.53 × 862.18
4. Step 4: Simplify right side
   1,334.02x = 1,586,858.95
5. Step 5: Solve for x
   x = 1,586,858.95/1,334.02
6. Step 6: Final answer
   x = 1,189.53