Finding the Fourth Proportional to 1,499,866, 2,249,807 and 613,402

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,866 : 2,249,807 = 613,402 : x
2. Step 2: Convert to fraction form
   1,499,866/2,249,807 = 613,402/x
3. Step 3: Cross multiply
   1,499,866x = 2,249,807 × 613,402
4. Step 4: Simplify right side
   1,499,866x = 1,380,036,113,414
5. Step 5: Solve for x
   x = 1,380,036,113,414/1,499,866
6. Step 6: Final answer
   x = 920,106.27