Finding the Fourth Proportional to 1,150.07, 1,586.18 and 969.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.07 : 1,586.18 = 969.98 : x
2. Step 2: Convert to fraction form
   1,150.07/1,586.18 = 969.98/x
3. Step 3: Cross multiply
   1,150.07x = 1,586.18 × 969.98
4. Step 4: Simplify right side
   1,150.07x = 1,538,557.37
5. Step 5: Solve for x
   x = 1,538,557.37/1,150.07
6. Step 6: Final answer
   x = 1,337.80