Finding the Fourth Proportional to 1,736.62, 2,603.52 and 1,189.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,736.62 : 2,603.52 = 1,189.87 : x
2. Step 2: Convert to fraction form
   1,736.62/2,603.52 = 1,189.87/x
3. Step 3: Cross multiply
   1,736.62x = 2,603.52 × 1,189.87
4. Step 4: Simplify right side
   1,736.62x = 3,097,850.34
5. Step 5: Solve for x
   x = 3,097,850.34/1,736.62
6. Step 6: Final answer
   x = 1,783.84