Finding the Fourth Proportional to 1,152,599.50, 1,729,037.31 and 353,776.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,599.50 : 1,729,037.31 = 353,776.42 : x
2. Step 2: Convert to fraction form
   1,152,599.50/1,729,037.31 = 353,776.42/x
3. Step 3: Cross multiply
   1,152,599.50x = 1,729,037.31 × 353,776.42
4. Step 4: Simplify right side
   1,152,599.50x = 611,692,629,578.23
5. Step 5: Solve for x
   x = 611,692,629,578.23/1,152,599.50
6. Step 6: Final answer
   x = 530,707.01