Finding the Fourth Proportional to 196,274.72, 294,499.56 and 71,586.56

Step by Step Solution

1. Step 1: Write the proportion equation
   196,274.72 : 294,499.56 = 71,586.56 : x
2. Step 2: Convert to fraction form
   196,274.72/294,499.56 = 71,586.56/x
3. Step 3: Cross multiply
   196,274.72x = 294,499.56 × 71,586.56
4. Step 4: Simplify right side
   196,274.72x = 21,082,211,426.61
5. Step 5: Solve for x
   x = 21,082,211,426.61/196,274.72
6. Step 6: Final answer
   x = 107,411.75