Finding the Fourth Proportional to 1,334.10, 1,840.77 and 1,068.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.10 : 1,840.77 = 1,068.78 : x
2. Step 2: Convert to fraction form
   1,334.10/1,840.77 = 1,068.78/x
3. Step 3: Cross multiply
   1,334.10x = 1,840.77 × 1,068.78
4. Step 4: Simplify right side
   1,334.10x = 1,967,378.16
5. Step 5: Solve for x
   x = 1,967,378.16/1,334.10
6. Step 6: Final answer
   x = 1,474.69