Finding the Fourth Proportional to 1,267,156.31, 1,900,740.89 and 320,527.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,156.31 : 1,900,740.89 = 320,527.94 : x
2. Step 2: Convert to fraction form
   1,267,156.31/1,900,740.89 = 320,527.94/x
3. Step 3: Cross multiply
   1,267,156.31x = 1,900,740.89 × 320,527.94
4. Step 4: Simplify right side
   1,267,156.31x = 609,240,560,370.86
5. Step 5: Solve for x
   x = 609,240,560,370.86/1,267,156.31
6. Step 6: Final answer
   x = 480,793.53