Finding the Fourth Proportional to 887,123, 1,224,229.74 and 484,715

Step by Step Solution

1. Step 1: Write the proportion equation
   887,123 : 1,224,229.74 = 484,715 : x
2. Step 2: Convert to fraction form
   887,123/1,224,229.74 = 484,715/x
3. Step 3: Cross multiply
   887,123x = 1,224,229.74 × 484,715
4. Step 4: Simplify right side
   887,123x = 593,402,518,424.10
5. Step 5: Solve for x
   x = 593,402,518,424.10/887,123
6. Step 6: Final answer
   x = 668,906.70