Finding the Fourth Proportional to 136,096.52, 187,823.72 and 81,650.74

Step by Step Solution

1. Step 1: Write the proportion equation
   136,096.52 : 187,823.72 = 81,650.74 : x
2. Step 2: Convert to fraction form
   136,096.52/187,823.72 = 81,650.74/x
3. Step 3: Cross multiply
   136,096.52x = 187,823.72 × 81,650.74
4. Step 4: Simplify right side
   136,096.52x = 15,335,945,727.55
5. Step 5: Solve for x
   x = 15,335,945,727.55/136,096.52
6. Step 6: Final answer
   x = 112,684.33