Finding the Fourth Proportional to 762,942.72, 1,144,422.72 and 230,468.16

Step by Step Solution

1. Step 1: Write the proportion equation
   762,942.72 : 1,144,422.72 = 230,468.16 : x
2. Step 2: Convert to fraction form
   762,942.72/1,144,422.72 = 230,468.16/x
3. Step 3: Cross multiply
   762,942.72x = 1,144,422.72 × 230,468.16
4. Step 4: Simplify right side
   762,942.72x = 263,752,998,540.60
5. Step 5: Solve for x
   x = 263,752,998,540.60/762,942.72
6. Step 6: Final answer
   x = 345,704.85