Finding the Fourth Proportional to 142,595.71, 196,802.81 and 82,154.59

Step by Step Solution

1. Step 1: Write the proportion equation
   142,595.71 : 196,802.81 = 82,154.59 : x
2. Step 2: Convert to fraction form
   142,595.71/196,802.81 = 82,154.59/x
3. Step 3: Cross multiply
   142,595.71x = 196,802.81 × 82,154.59
4. Step 4: Simplify right side
   142,595.71x = 16,168,254,166.40
5. Step 5: Solve for x
   x = 16,168,254,166.40/142,595.71
6. Step 6: Final answer
   x = 113,385.28