Finding the Fourth Proportional to 142,182.75, 196,210.56 and 81,753.63

Step by Step Solution

1. Step 1: Write the proportion equation
   142,182.75 : 196,210.56 = 81,753.63 : x
2. Step 2: Convert to fraction form
   142,182.75/196,210.56 = 81,753.63/x
3. Step 3: Cross multiply
   142,182.75x = 196,210.56 × 81,753.63
4. Step 4: Simplify right side
   142,182.75x = 16,040,925,524.33
5. Step 5: Solve for x
   x = 16,040,925,524.33/142,182.75
6. Step 6: Final answer
   x = 112,819.07