Finding the Fourth Proportional to 105,530.52, 158,044.50 and 61,063.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,530.52 : 158,044.50 = 61,063.56 : x
2. Step 2: Convert to fraction form
   105,530.52/158,044.50 = 61,063.56/x
3. Step 3: Cross multiply
   105,530.52x = 158,044.50 × 61,063.56
4. Step 4: Simplify right side
   105,530.52x = 9,650,759,808.42
5. Step 5: Solve for x
   x = 9,650,759,808.42/105,530.52
6. Step 6: Final answer
   x = 91,449.94