Finding the Fourth Proportional to 142,925.54, 197,191.81 and 82,488.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,925.54 : 197,191.81 = 82,488.18 : x
2. Step 2: Convert to fraction form
   142,925.54/197,191.81 = 82,488.18/x
3. Step 3: Cross multiply
   142,925.54x = 197,191.81 × 82,488.18
4. Step 4: Simplify right side
   142,925.54x = 16,265,993,517.81
5. Step 5: Solve for x
   x = 16,265,993,517.81/142,925.54
6. Step 6: Final answer
   x = 113,807.47