Finding the Fourth Proportional to 196,978.93, 272,928.76 and 192,722.48

Step by Step Solution

1. Step 1: Write the proportion equation
   196,978.93 : 272,928.76 = 192,722.48 : x
2. Step 2: Convert to fraction form
   196,978.93/272,928.76 = 192,722.48/x
3. Step 3: Cross multiply
   196,978.93x = 272,928.76 × 192,722.48
4. Step 4: Simplify right side
   196,978.93x = 52,599,507,490.52
5. Step 5: Solve for x
   x = 52,599,507,490.52/196,978.93
6. Step 6: Final answer
   x = 267,031.14