Finding the Fourth Proportional to 443,695.57, 612,425.31 and 262,470.53

Step by Step Solution

1. Step 1: Write the proportion equation
   443,695.57 : 612,425.31 = 262,470.53 : x
2. Step 2: Convert to fraction form
   443,695.57/612,425.31 = 262,470.53/x
3. Step 3: Cross multiply
   443,695.57x = 612,425.31 × 262,470.53
4. Step 4: Simplify right side
   443,695.57x = 160,743,592,803.02
5. Step 5: Solve for x
   x = 160,743,592,803.02/443,695.57
6. Step 6: Final answer
   x = 362,283.52