Finding the Fourth Proportional to 1,948.56, 2,688.86 and 1,151.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.56 : 2,688.86 = 1,151.84 : x
2. Step 2: Convert to fraction form
   1,948.56/2,688.86 = 1,151.84/x
3. Step 3: Cross multiply
   1,948.56x = 2,688.86 × 1,151.84
4. Step 4: Simplify right side
   1,948.56x = 3,097,117.30
5. Step 5: Solve for x
   x = 3,097,117.30/1,948.56
6. Step 6: Final answer
   x = 1,589.44