Finding the Fourth Proportional to 443,569.89, 612,126.42 and 242,365.89

Step by Step Solution

1. Step 1: Write the proportion equation
   443,569.89 : 612,126.42 = 242,365.89 : x
2. Step 2: Convert to fraction form
   443,569.89/612,126.42 = 242,365.89/x
3. Step 3: Cross multiply
   443,569.89x = 612,126.42 × 242,365.89
4. Step 4: Simplify right side
   443,569.89x = 148,358,564,575.81
5. Step 5: Solve for x
   x = 148,358,564,575.81/443,569.89
6. Step 6: Final answer
   x = 334,464.91