Finding the Fourth Proportional to 70,772.50, 106,158.27 and 18,182.02

Step by Step Solution

1. Step 1: Write the proportion equation
   70,772.50 : 106,158.27 = 18,182.02 : x
2. Step 2: Convert to fraction form
   70,772.50/106,158.27 = 18,182.02/x
3. Step 3: Cross multiply
   70,772.50x = 106,158.27 × 18,182.02
4. Step 4: Simplify right side
   70,772.50x = 1,930,171,788.31
5. Step 5: Solve for x
   x = 1,930,171,788.31/70,772.50
6. Step 6: Final answer
   x = 27,272.91