Finding the Fourth Proportional to 105,525, 158,287.50 and 31,653

Step by Step Solution

1. Step 1: Write the proportion equation
   105,525 : 158,287.50 = 31,653 : x
2. Step 2: Convert to fraction form
   105,525/158,287.50 = 31,653/x
3. Step 3: Cross multiply
   105,525x = 158,287.50 × 31,653
4. Step 4: Simplify right side
   105,525x = 5,010,274,237.50
5. Step 5: Solve for x
   x = 5,010,274,237.50/105,525
6. Step 6: Final answer
   x = 47,479.50