Finding the Fourth Proportional to 142,345.04, 196,443.72 and 81,924.88

Step by Step Solution

1. Step 1: Write the proportion equation
   142,345.04 : 196,443.72 = 81,924.88 : x
2. Step 2: Convert to fraction form
   142,345.04/196,443.72 = 81,924.88/x
3. Step 3: Cross multiply
   142,345.04x = 196,443.72 × 81,924.88
4. Step 4: Simplify right side
   142,345.04x = 16,093,628,187.75
5. Step 5: Solve for x
   x = 16,093,628,187.75/142,345.04
6. Step 6: Final answer
   x = 113,060.69