Finding the Fourth Proportional to 1,372.59, 1,892.48 and 1,194.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.59 : 1,892.48 = 1,194.89 : x
2. Step 2: Convert to fraction form
   1,372.59/1,892.48 = 1,194.89/x
3. Step 3: Cross multiply
   1,372.59x = 1,892.48 × 1,194.89
4. Step 4: Simplify right side
   1,372.59x = 2,261,289.99
5. Step 5: Solve for x
   x = 2,261,289.99/1,372.59
6. Step 6: Final answer
   x = 1,647.46