Finding the Fourth Proportional to 1,490,404.10, 2,235,606.15 and 368,473.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490,404.10 : 2,235,606.15 = 368,473.10 : x
2. Step 2: Convert to fraction form
   1,490,404.10/2,235,606.15 = 368,473.10/x
3. Step 3: Cross multiply
   1,490,404.10x = 2,235,606.15 × 368,473.10
4. Step 4: Simplify right side
   1,490,404.10x = 823,760,728,469.57
5. Step 5: Solve for x
   x = 823,760,728,469.57/1,490,404.10
6. Step 6: Final answer
   x = 552,709.65