Finding the Fourth Proportional to 801,373.52, 1,105,895.88 and 499,568.72

Step by Step Solution

1. Step 1: Write the proportion equation
   801,373.52 : 1,105,895.88 = 499,568.72 : x
2. Step 2: Convert to fraction form
   801,373.52/1,105,895.88 = 499,568.72/x
3. Step 3: Cross multiply
   801,373.52x = 1,105,895.88 × 499,568.72
4. Step 4: Simplify right side
   801,373.52x = 552,470,989,224.87
5. Step 5: Solve for x
   x = 552,470,989,224.87/801,373.52
6. Step 6: Final answer
   x = 689,405.10