Finding the Fourth Proportional to 663,598.27, 990,552.89 and 569,433.57

Step by Step Solution

1. Step 1: Write the proportion equation
   663,598.27 : 990,552.89 = 569,433.57 : x
2. Step 2: Convert to fraction form
   663,598.27/990,552.89 = 569,433.57/x
3. Step 3: Cross multiply
   663,598.27x = 990,552.89 × 569,433.57
4. Step 4: Simplify right side
   663,598.27x = 564,054,068,712.89
5. Step 5: Solve for x
   x = 564,054,068,712.89/663,598.27
6. Step 6: Final answer
   x = 849,993.27