Finding the Fourth Proportional to 1,897.09, 2,617.48 and 1,150.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.09 : 2,617.48 = 1,150.77 : x
2. Step 2: Convert to fraction form
   1,897.09/2,617.48 = 1,150.77/x
3. Step 3: Cross multiply
   1,897.09x = 2,617.48 × 1,150.77
4. Step 4: Simplify right side
   1,897.09x = 3,012,128.71
5. Step 5: Solve for x
   x = 3,012,128.71/1,897.09
6. Step 6: Final answer
   x = 1,587.76