Finding the Fourth Proportional to 105,593.51, 158,442.31 and 49,437.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,593.51 : 158,442.31 = 49,437.42 : x
2. Step 2: Convert to fraction form
   105,593.51/158,442.31 = 49,437.42/x
3. Step 3: Cross multiply
   105,593.51x = 158,442.31 × 49,437.42
4. Step 4: Simplify right side
   105,593.51x = 7,832,978,778.05
5. Step 5: Solve for x
   x = 7,832,978,778.05/105,593.51
6. Step 6: Final answer
   x = 74,180.49