Finding the Fourth Proportional to 105,485.86, 158,280.72 and 49,329.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,485.86 : 158,280.72 = 49,329.82 : x
2. Step 2: Convert to fraction form
   105,485.86/158,280.72 = 49,329.82/x
3. Step 3: Cross multiply
   105,485.86x = 158,280.72 × 49,329.82
4. Step 4: Simplify right side
   105,485.86x = 7,807,959,427.07
5. Step 5: Solve for x
   x = 7,807,959,427.07/105,485.86
6. Step 6: Final answer
   x = 74,019.01