Finding the Fourth Proportional to 196,254.72, 270,830.16 and 106,830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   196,254.72 : 270,830.16 = 106,830.72 : x
2. Step 2: Convert to fraction form
   196,254.72/270,830.16 = 106,830.72/x
3. Step 3: Cross multiply
   196,254.72x = 270,830.16 × 106,830.72
4. Step 4: Simplify right side
   196,254.72x = 28,932,980,990.52
5. Step 5: Solve for x
   x = 28,932,980,990.52/196,254.72
6. Step 6: Final answer
   x = 147,425.66