Finding the Fourth Proportional to 1,799,300.42, 2,699,423.22 and 646,663.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799,300.42 : 2,699,423.22 = 646,663.31 : x
2. Step 2: Convert to fraction form
   1,799,300.42/2,699,423.22 = 646,663.31/x
3. Step 3: Cross multiply
   1,799,300.42x = 2,699,423.22 × 646,663.31
4. Step 4: Simplify right side
   1,799,300.42x = 1,745,617,954,536.06
5. Step 5: Solve for x
   x = 1,745,617,954,536.06/1,799,300.42
6. Step 6: Final answer
   x = 970,164.81