Finding the Fourth Proportional to 1,897.72, 2,619.16 and 1,180.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.72 : 2,619.16 = 1,180.24 : x
2. Step 2: Convert to fraction form
   1,897.72/2,619.16 = 1,180.24/x
3. Step 3: Cross multiply
   1,897.72x = 2,619.16 × 1,180.24
4. Step 4: Simplify right side
   1,897.72x = 3,091,237.40
5. Step 5: Solve for x
   x = 3,091,237.40/1,897.72
6. Step 6: Final answer
   x = 1,628.92