Finding the Fourth Proportional to 279,155.98, 418,480.56 and 101,537.42

Step by Step Solution

1. Step 1: Write the proportion equation
   279,155.98 : 418,480.56 = 101,537.42 : x
2. Step 2: Convert to fraction form
   279,155.98/418,480.56 = 101,537.42/x
3. Step 3: Cross multiply
   279,155.98x = 418,480.56 × 101,537.42
4. Step 4: Simplify right side
   279,155.98x = 42,491,436,382.56
5. Step 5: Solve for x
   x = 42,491,436,382.56/279,155.98
6. Step 6: Final answer
   x = 152,213.96