Finding the Fourth Proportional to 1,455,066.42, 2,008,053.61 and 810,486.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455,066.42 : 2,008,053.61 = 810,486.90 : x
2. Step 2: Convert to fraction form
   1,455,066.42/2,008,053.61 = 810,486.90/x
3. Step 3: Cross multiply
   1,455,066.42x = 2,008,053.61 × 810,486.90
4. Step 4: Simplify right side
   1,455,066.42x = 1,627,501,144,896.15
5. Step 5: Solve for x
   x = 1,627,501,144,896.15/1,455,066.42
6. Step 6: Final answer
   x = 1,118,506.43