Finding the Fourth Proportional to 1,054.38, 1,579.86 and 1,014.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054.38 : 1,579.86 = 1,014.42 : x
2. Step 2: Convert to fraction form
   1,054.38/1,579.86 = 1,014.42/x
3. Step 3: Cross multiply
   1,054.38x = 1,579.86 × 1,014.42
4. Step 4: Simplify right side
   1,054.38x = 1,602,641.58
5. Step 5: Solve for x
   x = 1,602,641.58/1,054.38
6. Step 6: Final answer
   x = 1,519.98