Finding the Fourth Proportional to 2,127.94, 3,187.32 and 1,151.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.94 : 3,187.32 = 1,151.98 : x
2. Step 2: Convert to fraction form
   2,127.94/3,187.32 = 1,151.98/x
3. Step 3: Cross multiply
   2,127.94x = 3,187.32 × 1,151.98
4. Step 4: Simplify right side
   2,127.94x = 3,671,728.89
5. Step 5: Solve for x
   x = 3,671,728.89/2,127.94
6. Step 6: Final answer
   x = 1,725.49