Finding the Fourth Proportional to 926,632.72, 1,389,962.76 and 365,662

Step by Step Solution

1. Step 1: Write the proportion equation
   926,632.72 : 1,389,962.76 = 365,662 : x
2. Step 2: Convert to fraction form
   926,632.72/1,389,962.76 = 365,662/x
3. Step 3: Cross multiply
   926,632.72x = 1,389,962.76 × 365,662
4. Step 4: Simplify right side
   926,632.72x = 508,256,562,747.12
5. Step 5: Solve for x
   x = 508,256,562,747.12/926,632.72
6. Step 6: Final answer
   x = 548,498.40