Finding the Fourth Proportional to 142,480.76, 197,522.59 and 134,896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,480.76 : 197,522.59 = 134,896.72 : x
2. Step 2: Convert to fraction form
   142,480.76/197,522.59 = 134,896.72/x
3. Step 3: Cross multiply
   142,480.76x = 197,522.59 × 134,896.72
4. Step 4: Simplify right side
   142,480.76x = 26,645,149,516.90
5. Step 5: Solve for x
   x = 26,645,149,516.90/142,480.76
6. Step 6: Final answer
   x = 187,008.75