Finding the Fourth Proportional to 2,178,911.81, 3,268,892.90 and 683,003.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,911.81 : 3,268,892.90 = 683,003.81 : x
2. Step 2: Convert to fraction form
   2,178,911.81/3,268,892.90 = 683,003.81/x
3. Step 3: Cross multiply
   2,178,911.81x = 3,268,892.90 × 683,003.81
4. Step 4: Simplify right side
   2,178,911.81x = 2,232,666,315,061.69
5. Step 5: Solve for x
   x = 2,232,666,315,061.69/2,178,911.81
6. Step 6: Final answer
   x = 1,024,670.34