Finding the Fourth Proportional to 1,114,825.50, 1,672,516.01 and 326,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114,825.50 : 1,672,516.01 = 326,857.50 : x
2. Step 2: Convert to fraction form
   1,114,825.50/1,672,516.01 = 326,857.50/x
3. Step 3: Cross multiply
   1,114,825.50x = 1,672,516.01 × 326,857.50
4. Step 4: Simplify right side
   1,114,825.50x = 546,674,401,738.58
5. Step 5: Solve for x
   x = 546,674,401,738.58/1,114,825.50
6. Step 6: Final answer
   x = 490,367.69