Finding the Fourth Proportional to 105,797.48, 158,537.50 and 61,320.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,797.48 : 158,537.50 = 61,320.04 : x
2. Step 2: Convert to fraction form
   105,797.48/158,537.50 = 61,320.04/x
3. Step 3: Cross multiply
   105,797.48x = 158,537.50 × 61,320.04
4. Step 4: Simplify right side
   105,797.48x = 9,721,525,841.50
5. Step 5: Solve for x
   x = 9,721,525,841.50/105,797.48
6. Step 6: Final answer
   x = 91,888.07