Finding the Fourth Proportional to 2,369,686.16, 3,553,980.06 and 663,949.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369,686.16 : 3,553,980.06 = 663,949.28 : x
2. Step 2: Convert to fraction form
   2,369,686.16/3,553,980.06 = 663,949.28/x
3. Step 3: Cross multiply
   2,369,686.16x = 3,553,980.06 × 663,949.28
4. Step 4: Simplify right side
   2,369,686.16x = 2,359,662,501,971.36
5. Step 5: Solve for x
   x = 2,359,662,501,971.36/2,369,686.16
6. Step 6: Final answer
   x = 995,770.05