Finding the Fourth Proportional to 1,300,505.62, 1,950,561.32 and 353,950.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,505.62 : 1,950,561.32 = 353,950.10 : x
2. Step 2: Convert to fraction form
   1,300,505.62/1,950,561.32 = 353,950.10/x
3. Step 3: Cross multiply
   1,300,505.62x = 1,950,561.32 × 353,950.10
4. Step 4: Simplify right side
   1,300,505.62x = 690,401,374,270.13
5. Step 5: Solve for x
   x = 690,401,374,270.13/1,300,505.62
6. Step 6: Final answer
   x = 530,871.50