Finding the Fourth Proportional to 105,453.80, 158,134.62 and 31,564.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,453.80 : 158,134.62 = 31,564.52 : x
2. Step 2: Convert to fraction form
   105,453.80/158,134.62 = 31,564.52/x
3. Step 3: Cross multiply
   105,453.80x = 158,134.62 × 31,564.52
4. Step 4: Simplify right side
   105,453.80x = 4,991,443,375.68
5. Step 5: Solve for x
   x = 4,991,443,375.68/105,453.80
6. Step 6: Final answer
   x = 47,332.99