Finding the Fourth Proportional to 619,196.72, 928,796.10 and 169,923.74

Step by Step Solution

1. Step 1: Write the proportion equation
   619,196.72 : 928,796.10 = 169,923.74 : x
2. Step 2: Convert to fraction form
   619,196.72/928,796.10 = 169,923.74/x
3. Step 3: Cross multiply
   619,196.72x = 928,796.10 × 169,923.74
4. Step 4: Simplify right side
   619,196.72x = 157,824,507,009.41
5. Step 5: Solve for x
   x = 157,824,507,009.41/619,196.72
6. Step 6: Final answer
   x = 254,885.89