Finding the Fourth Proportional to 1,394.15, 2,092.57 and 1,061.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.15 : 2,092.57 = 1,061.98 : x
2. Step 2: Convert to fraction form
   1,394.15/2,092.57 = 1,061.98/x
3. Step 3: Cross multiply
   1,394.15x = 2,092.57 × 1,061.98
4. Step 4: Simplify right side
   1,394.15x = 2,222,259.60
5. Step 5: Solve for x
   x = 2,222,259.60/1,394.15
6. Step 6: Final answer
   x = 1,593.99