Finding the Fourth Proportional to 1,547.82, 2,136.18 and 958.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547.82 : 2,136.18 = 958.54 : x
2. Step 2: Convert to fraction form
   1,547.82/2,136.18 = 958.54/x
3. Step 3: Cross multiply
   1,547.82x = 2,136.18 × 958.54
4. Step 4: Simplify right side
   1,547.82x = 2,047,613.98
5. Step 5: Solve for x
   x = 2,047,613.98/1,547.82
6. Step 6: Final answer
   x = 1,322.90