Finding the Fourth Proportional to 452,196.56, 624,029.71 and 248,242.40

Step by Step Solution

1. Step 1: Write the proportion equation
   452,196.56 : 624,029.71 = 248,242.40 : x
2. Step 2: Convert to fraction form
   452,196.56/624,029.71 = 248,242.40/x
3. Step 3: Cross multiply
   452,196.56x = 624,029.71 × 248,242.40
4. Step 4: Simplify right side
   452,196.56x = 154,910,632,881.70
5. Step 5: Solve for x
   x = 154,910,632,881.70/452,196.56
6. Step 6: Final answer
   x = 342,573.67