Finding the Fourth Proportional to 443,696.57, 612,426.69 and 262,471.53

Step by Step Solution

1. Step 1: Write the proportion equation
   443,696.57 : 612,426.69 = 262,471.53 : x
2. Step 2: Convert to fraction form
   443,696.57/612,426.69 = 262,471.53/x
3. Step 3: Cross multiply
   443,696.57x = 612,426.69 × 262,471.53
4. Step 4: Simplify right side
   443,696.57x = 160,744,570,337.14
5. Step 5: Solve for x
   x = 160,744,570,337.14/443,696.57
6. Step 6: Final answer
   x = 362,284.91