Finding the Fourth Proportional to 1,123.63, 1,550.37 and 651.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.63 : 1,550.37 = 651.50 : x
2. Step 2: Convert to fraction form
   1,123.63/1,550.37 = 651.50/x
3. Step 3: Cross multiply
   1,123.63x = 1,550.37 × 651.50
4. Step 4: Simplify right side
   1,123.63x = 1,010,066.06
5. Step 5: Solve for x
   x = 1,010,066.06/1,123.63
6. Step 6: Final answer
   x = 898.93