Finding the Fourth Proportional to 3,686,210.72, 5,529,311.33 and 990,535.97

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,210.72 : 5,529,311.33 = 990,535.97 : x
2. Step 2: Convert to fraction form
   3,686,210.72/5,529,311.33 = 990,535.97/x
3. Step 3: Cross multiply
   3,686,210.72x = 5,529,311.33 × 990,535.97
4. Step 4: Simplify right side
   3,686,210.72x = 5,476,981,773,350.02
5. Step 5: Solve for x
   x = 5,476,981,773,350.02/3,686,210.72
6. Step 6: Final answer
   x = 1,485,802.68