Finding the Fourth Proportional to 1,123.43, 1,550.21 and 651.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.43 : 1,550.21 = 651.47 : x
2. Step 2: Convert to fraction form
   1,123.43/1,550.21 = 651.47/x
3. Step 3: Cross multiply
   1,123.43x = 1,550.21 × 651.47
4. Step 4: Simplify right side
   1,123.43x = 1,009,904.30
5. Step 5: Solve for x
   x = 1,009,904.30/1,123.43
6. Step 6: Final answer
   x = 898.95