Finding the Fourth Proportional to 105,417.76, 158,196.67 and 49,262.21

Step by Step Solution

1. Step 1: Write the proportion equation
   105,417.76 : 158,196.67 = 49,262.21 : x
2. Step 2: Convert to fraction form
   105,417.76/158,196.67 = 49,262.21/x
3. Step 3: Cross multiply
   105,417.76x = 158,196.67 × 49,262.21
4. Step 4: Simplify right side
   105,417.76x = 7,793,117,578.84
5. Step 5: Solve for x
   x = 7,793,117,578.84/105,417.76
6. Step 6: Final answer
   x = 73,926.04