Finding the Fourth Proportional to 1,123.05, 1,550.01 and 703.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.05 : 1,550.01 = 703.77 : x
2. Step 2: Convert to fraction form
   1,123.05/1,550.01 = 703.77/x
3. Step 3: Cross multiply
   1,123.05x = 1,550.01 × 703.77
4. Step 4: Simplify right side
   1,123.05x = 1,090,847.36
5. Step 5: Solve for x
   x = 1,090,847.36/1,123.05
6. Step 6: Final answer
   x = 971.32