Finding the Fourth Proportional to 142,182.92, 196,237.61 and 81,748.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,182.92 : 196,237.61 = 81,748.82 : x
2. Step 2: Convert to fraction form
   142,182.92/196,237.61 = 81,748.82/x
3. Step 3: Cross multiply
   142,182.92x = 196,237.61 × 81,748.82
4. Step 4: Simplify right side
   142,182.92x = 16,042,191,667.19
5. Step 5: Solve for x
   x = 16,042,191,667.19/142,182.92
6. Step 6: Final answer
   x = 112,827.84