Finding the Fourth Proportional to 1,558.98, 2,334.06 and 1,118.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.98 : 2,334.06 = 1,118.66 : x
2. Step 2: Convert to fraction form
   1,558.98/2,334.06 = 1,118.66/x
3. Step 3: Cross multiply
   1,558.98x = 2,334.06 × 1,118.66
4. Step 4: Simplify right side
   1,558.98x = 2,611,007.89
5. Step 5: Solve for x
   x = 2,611,007.89/1,558.98
6. Step 6: Final answer
   x = 1,674.82