Finding the Fourth Proportional to 566,499.54, 781,593.27 and 321,443.76

Step by Step Solution

1. Step 1: Write the proportion equation
   566,499.54 : 781,593.27 = 321,443.76 : x
2. Step 2: Convert to fraction form
   566,499.54/781,593.27 = 321,443.76/x
3. Step 3: Cross multiply
   566,499.54x = 781,593.27 × 321,443.76
4. Step 4: Simplify right side
   566,499.54x = 251,238,279,499.50
5. Step 5: Solve for x
   x = 251,238,279,499.50/566,499.54
6. Step 6: Final answer
   x = 443,492.47