Finding the Fourth Proportional to 758,532.18, 1,137,805.56 and 309,162

Step by Step Solution

1. Step 1: Write the proportion equation
   758,532.18 : 1,137,805.56 = 309,162 : x
2. Step 2: Convert to fraction form
   758,532.18/1,137,805.56 = 309,162/x
3. Step 3: Cross multiply
   758,532.18x = 1,137,805.56 × 309,162
4. Step 4: Simplify right side
   758,532.18x = 351,766,242,540.72
5. Step 5: Solve for x
   x = 351,766,242,540.72/758,532.18
6. Step 6: Final answer
   x = 463,745.97