Finding the Fourth Proportional to 1,990.37, 2,746.50 and 1,150.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.37 : 2,746.50 = 1,150.94 : x
2. Step 2: Convert to fraction form
   1,990.37/2,746.50 = 1,150.94/x
3. Step 3: Cross multiply
   1,990.37x = 2,746.50 × 1,150.94
4. Step 4: Simplify right side
   1,990.37x = 3,161,056.71
5. Step 5: Solve for x
   x = 3,161,056.71/1,990.37
6. Step 6: Final answer
   x = 1,588.18