Finding the Fourth Proportional to 2,631,959.01, 3,948,314.58 and 810,477.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,959.01 : 3,948,314.58 = 810,477.81 : x
2. Step 2: Convert to fraction form
   2,631,959.01/3,948,314.58 = 810,477.81/x
3. Step 3: Cross multiply
   2,631,959.01x = 3,948,314.58 × 810,477.81
4. Step 4: Simplify right side
   2,631,959.01x = 3,200,021,353,989.47
5. Step 5: Solve for x
   x = 3,200,021,353,989.47/2,631,959.01
6. Step 6: Final answer
   x = 1,215,832.52