Finding the Fourth Proportional to 147,970.56, 221,986.56 and 49,472

Step by Step Solution

1. Step 1: Write the proportion equation
   147,970.56 : 221,986.56 = 49,472 : x
2. Step 2: Convert to fraction form
   147,970.56/221,986.56 = 49,472/x
3. Step 3: Cross multiply
   147,970.56x = 221,986.56 × 49,472
4. Step 4: Simplify right side
   147,970.56x = 10,982,119,096.32
5. Step 5: Solve for x
   x = 10,982,119,096.32/147,970.56
6. Step 6: Final answer
   x = 74,218.27