Finding the Fourth Proportional to 2,613,662.02, 3,921,280.35 and 816,472.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613,662.02 : 3,921,280.35 = 816,472.90 : x
2. Step 2: Convert to fraction form
   2,613,662.02/3,921,280.35 = 816,472.90/x
3. Step 3: Cross multiply
   2,613,662.02x = 3,921,280.35 × 816,472.90
4. Step 4: Simplify right side
   2,613,662.02x = 3,201,619,139,077.52
5. Step 5: Solve for x
   x = 3,201,619,139,077.52/2,613,662.02
6. Step 6: Final answer
   x = 1,224,955.30