Finding the Fourth Proportional to 2,613,665.02, 3,921,284.86 and 816,475.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613,665.02 : 3,921,284.86 = 816,475.90 : x
2. Step 2: Convert to fraction form
   2,613,665.02/3,921,284.86 = 816,475.90/x
3. Step 3: Cross multiply
   2,613,665.02x = 3,921,284.86 × 816,475.90
4. Step 4: Simplify right side
   2,613,665.02x = 3,201,634,585,224.87
5. Step 5: Solve for x
   x = 3,201,634,585,224.87/2,613,665.02
6. Step 6: Final answer
   x = 1,224,959.80