Finding the Fourth Proportional to 6,613,499.27, 9,920,298.12 and 1,821,451.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,613,499.27 : 9,920,298.12 = 1,821,451.49 : x
2. Step 2: Convert to fraction form
   6,613,499.27/9,920,298.12 = 1,821,451.49/x
3. Step 3: Cross multiply
   6,613,499.27x = 9,920,298.12 × 1,821,451.49
4. Step 4: Simplify right side
   6,613,499.27x = 18,069,341,791,918.20
5. Step 5: Solve for x
   x = 18,069,341,791,918.20/6,613,499.27
6. Step 6: Final answer
   x = 2,732,190.79