Finding the Fourth Proportional to 28,109.01, 42,182.61 and 14,970.58

Step by Step Solution

1. Step 1: Write the proportion equation
   28,109.01 : 42,182.61 = 14,970.58 : x
2. Step 2: Convert to fraction form
   28,109.01/42,182.61 = 14,970.58/x
3. Step 3: Cross multiply
   28,109.01x = 42,182.61 × 14,970.58
4. Step 4: Simplify right side
   28,109.01x = 631,498,137.61
5. Step 5: Solve for x
   x = 631,498,137.61/28,109.01
6. Step 6: Final answer
   x = 22,466.04