Finding the Fourth Proportional to 105,740.52, 158,495.94 and 49,545.60

Step by Step Solution

1. Step 1: Write the proportion equation
   105,740.52 : 158,495.94 = 49,545.60 : x
2. Step 2: Convert to fraction form
   105,740.52/158,495.94 = 49,545.60/x
3. Step 3: Cross multiply
   105,740.52x = 158,495.94 × 49,545.60
4. Step 4: Simplify right side
   105,740.52x = 7,852,776,444.86
5. Step 5: Solve for x
   x = 7,852,776,444.86/105,740.52
6. Step 6: Final answer
   x = 74,264.59