Finding the Fourth Proportional to 142,993.74, 197,340.72 and 82,566.93

Step by Step Solution

1. Step 1: Write the proportion equation
   142,993.74 : 197,340.72 = 82,566.93 : x
2. Step 2: Convert to fraction form
   142,993.74/197,340.72 = 82,566.93/x
3. Step 3: Cross multiply
   142,993.74x = 197,340.72 × 82,566.93
4. Step 4: Simplify right side
   142,993.74x = 16,293,817,414.39
5. Step 5: Solve for x
   x = 16,293,817,414.39/142,993.74
6. Step 6: Final answer
   x = 113,947.77