Finding the Fourth Proportional to 105,616.36, 158,437.50 and 49,427.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,616.36 : 158,437.50 = 49,427.56 : x
2. Step 2: Convert to fraction form
   105,616.36/158,437.50 = 49,427.56/x
3. Step 3: Cross multiply
   105,616.36x = 158,437.50 × 49,427.56
4. Step 4: Simplify right side
   105,616.36x = 7,831,179,037.50
5. Step 5: Solve for x
   x = 7,831,179,037.50/105,616.36
6. Step 6: Final answer
   x = 74,147.41