Finding the Fourth Proportional to 1,000,373.99, 1,500,799.68 and 326,456.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,000,373.99 : 1,500,799.68 = 326,456.55 : x
2. Step 2: Convert to fraction form
   1,000,373.99/1,500,799.68 = 326,456.55/x
3. Step 3: Cross multiply
   1,000,373.99x = 1,500,799.68 × 326,456.55
4. Step 4: Simplify right side
   1,000,373.99x = 489,945,885,773.90
5. Step 5: Solve for x
   x = 489,945,885,773.90/1,000,373.99
6. Step 6: Final answer
   x = 489,762.72