Finding the Fourth Proportional to 530,648.00, 732,307.37 and 288,943.82

Step by Step Solution

1. Step 1: Write the proportion equation
   530,648.00 : 732,307.37 = 288,943.82 : x
2. Step 2: Convert to fraction form
   530,648.00/732,307.37 = 288,943.82/x
3. Step 3: Cross multiply
   530,648.00x = 732,307.37 × 288,943.82
4. Step 4: Simplify right side
   530,648.00x = 211,595,683,795.70
5. Step 5: Solve for x
   x = 211,595,683,795.70/530,648.00
6. Step 6: Final answer
   x = 398,749.62