Finding the Fourth Proportional to 49,314.29, 73,964.15 and 18,142.25

Step by Step Solution

1. Step 1: Write the proportion equation
   49,314.29 : 73,964.15 = 18,142.25 : x
2. Step 2: Convert to fraction form
   49,314.29/73,964.15 = 18,142.25/x
3. Step 3: Cross multiply
   49,314.29x = 73,964.15 × 18,142.25
4. Step 4: Simplify right side
   49,314.29x = 1,341,876,009.63
5. Step 5: Solve for x
   x = 1,341,876,009.63/49,314.29
6. Step 6: Final answer
   x = 27,210.69