Finding the Fourth Proportional to 848,477.50, 1,170,903.55 and 499,633.05

Step by Step Solution

1. Step 1: Write the proportion equation
   848,477.50 : 1,170,903.55 = 499,633.05 : x
2. Step 2: Convert to fraction form
   848,477.50/1,170,903.55 = 499,633.05/x
3. Step 3: Cross multiply
   848,477.50x = 1,170,903.55 × 499,633.05
4. Step 4: Simplify right side
   848,477.50x = 585,022,113,864.15
5. Step 5: Solve for x
   x = 585,022,113,864.15/848,477.50
6. Step 6: Final answer
   x = 689,496.32