Finding the Fourth Proportional to 1,947.94, 2,688.05 and 1,151.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.94 : 2,688.05 = 1,151.30 : x
2. Step 2: Convert to fraction form
   1,947.94/2,688.05 = 1,151.30/x
3. Step 3: Cross multiply
   1,947.94x = 2,688.05 × 1,151.30
4. Step 4: Simplify right side
   1,947.94x = 3,094,751.97
5. Step 5: Solve for x
   x = 3,094,751.97/1,947.94
6. Step 6: Final answer
   x = 1,588.73