Finding the Fourth Proportional to 1,114,824.50, 1,672,514.51 and 326,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114,824.50 : 1,672,514.51 = 326,856.50 : x
2. Step 2: Convert to fraction form
   1,114,824.50/1,672,514.51 = 326,856.50/x
3. Step 3: Cross multiply
   1,114,824.50x = 1,672,514.51 × 326,856.50
4. Step 4: Simplify right side
   1,114,824.50x = 546,672,238,937.82
5. Step 5: Solve for x
   x = 546,672,238,937.82/1,114,824.50
6. Step 6: Final answer
   x = 490,366.19