Finding the Fourth Proportional to 172,432.56, 237,956.88 and 96,981

Step by Step Solution

1. Step 1: Write the proportion equation
   172,432.56 : 237,956.88 = 96,981 : x
2. Step 2: Convert to fraction form
   172,432.56/237,956.88 = 96,981/x
3. Step 3: Cross multiply
   172,432.56x = 237,956.88 × 96,981
4. Step 4: Simplify right side
   172,432.56x = 23,077,296,179.28
5. Step 5: Solve for x
   x = 23,077,296,179.28/172,432.56
6. Step 6: Final answer
   x = 133,833.75