Finding the Fourth Proportional to 1,368.15, 1,885.41 and 994.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.15 : 1,885.41 = 994.54 : x
2. Step 2: Convert to fraction form
   1,368.15/1,885.41 = 994.54/x
3. Step 3: Cross multiply
   1,368.15x = 1,885.41 × 994.54
4. Step 4: Simplify right side
   1,368.15x = 1,875,110.95
5. Step 5: Solve for x
   x = 1,875,110.95/1,368.15
6. Step 6: Final answer
   x = 1,370.54