Finding the Fourth Proportional to 1,799,300.17, 2,699,422.85 and 646,663.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799,300.17 : 2,699,422.85 = 646,663.06 : x
2. Step 2: Convert to fraction form
   1,799,300.17/2,699,422.85 = 646,663.06/x
3. Step 3: Cross multiply
   1,799,300.17x = 2,699,422.85 × 646,663.06
4. Step 4: Simplify right side
   1,799,300.17x = 1,745,617,040,414.92
5. Step 5: Solve for x
   x = 1,745,617,040,414.92/1,799,300.17
6. Step 6: Final answer
   x = 970,164.44