Finding the Fourth Proportional to 662,404.10, 993,606.15 and 163,768.10

Step by Step Solution

1. Step 1: Write the proportion equation
   662,404.10 : 993,606.15 = 163,768.10 : x
2. Step 2: Convert to fraction form
   662,404.10/993,606.15 = 163,768.10/x
3. Step 3: Cross multiply
   662,404.10x = 993,606.15 × 163,768.10
4. Step 4: Simplify right side
   662,404.10x = 162,720,991,333.82
5. Step 5: Solve for x
   x = 162,720,991,333.82/662,404.10
6. Step 6: Final answer
   x = 245,652.15