Finding the Fourth Proportional to 593,139.04, 818,527.82 and 321,200.72

Step by Step Solution

1. Step 1: Write the proportion equation
   593,139.04 : 818,527.82 = 321,200.72 : x
2. Step 2: Convert to fraction form
   593,139.04/818,527.82 = 321,200.72/x
3. Step 3: Cross multiply
   593,139.04x = 818,527.82 × 321,200.72
4. Step 4: Simplify right side
   593,139.04x = 262,911,725,124.03
5. Step 5: Solve for x
   x = 262,911,725,124.03/593,139.04
6. Step 6: Final answer
   x = 443,254.80