Finding the Fourth Proportional to 1,123.16, 1,548.90 and 703.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.16 : 1,548.90 = 703.37 : x
2. Step 2: Convert to fraction form
   1,123.16/1,548.90 = 703.37/x
3. Step 3: Cross multiply
   1,123.16x = 1,548.90 × 703.37
4. Step 4: Simplify right side
   1,123.16x = 1,089,453.67
5. Step 5: Solve for x
   x = 1,089,453.67/1,123.16
6. Step 6: Final answer
   x = 969.99