Finding the Fourth Proportional to 901,958.86, 1,353,132.18 and 262,273.72

Step by Step Solution

1. Step 1: Write the proportion equation
   901,958.86 : 1,353,132.18 = 262,273.72 : x
2. Step 2: Convert to fraction form
   901,958.86/1,353,132.18 = 262,273.72/x
3. Step 3: Cross multiply
   901,958.86x = 1,353,132.18 × 262,273.72
4. Step 4: Simplify right side
   901,958.86x = 354,891,010,500.31
5. Step 5: Solve for x
   x = 354,891,010,500.31/901,958.86
6. Step 6: Final answer
   x = 393,466.96