Finding the Fourth Proportional to 532,667.30, 735,075.99 and 290,949.80

Step by Step Solution

1. Step 1: Write the proportion equation
   532,667.30 : 735,075.99 = 290,949.80 : x
2. Step 2: Convert to fraction form
   532,667.30/735,075.99 = 290,949.80/x
3. Step 3: Cross multiply
   532,667.30x = 735,075.99 × 290,949.80
4. Step 4: Simplify right side
   532,667.30x = 213,870,212,275.30
5. Step 5: Solve for x
   x = 213,870,212,275.30/532,667.30
6. Step 6: Final answer
   x = 401,508.06