Finding the Fourth Proportional to 172,353.56, 237,782.59 and 106,912.10

Step by Step Solution

1. Step 1: Write the proportion equation
   172,353.56 : 237,782.59 = 106,912.10 : x
2. Step 2: Convert to fraction form
   172,353.56/237,782.59 = 106,912.10/x
3. Step 3: Cross multiply
   172,353.56x = 237,782.59 × 106,912.10
4. Step 4: Simplify right side
   172,353.56x = 25,421,836,367.52
5. Step 5: Solve for x
   x = 25,421,836,367.52/172,353.56
6. Step 6: Final answer
   x = 147,498.18