Finding the Fourth Proportional to 105,521.80, 158,236.38 and 31,632.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,521.80 : 158,236.38 = 31,632.52 : x
2. Step 2: Convert to fraction form
   105,521.80/158,236.38 = 31,632.52/x
3. Step 3: Cross multiply
   105,521.80x = 158,236.38 × 31,632.52
4. Step 4: Simplify right side
   105,521.80x = 5,005,415,455.08
5. Step 5: Solve for x
   x = 5,005,415,455.08/105,521.80
6. Step 6: Final answer
   x = 47,434.89