Finding the Fourth Proportional to 1,087,016.00, 1,630,609.52 and 288,297.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,016.00 : 1,630,609.52 = 288,297.55 : x
2. Step 2: Convert to fraction form
   1,087,016.00/1,630,609.52 = 288,297.55/x
3. Step 3: Cross multiply
   1,087,016.00x = 1,630,609.52 × 288,297.55
4. Step 4: Simplify right side
   1,087,016.00x = 470,100,725,185.78
5. Step 5: Solve for x
   x = 470,100,725,185.78/1,087,016.00
6. Step 6: Final answer
   x = 432,469.00