Finding the Fourth Proportional to 147,573.46, 221,388.63 and 47,758.42

Step by Step Solution

1. Step 1: Write the proportion equation
   147,573.46 : 221,388.63 = 47,758.42 : x
2. Step 2: Convert to fraction form
   147,573.46/221,388.63 = 47,758.42/x
3. Step 3: Cross multiply
   147,573.46x = 221,388.63 × 47,758.42
4. Step 4: Simplify right side
   147,573.46x = 10,573,171,174.76
5. Step 5: Solve for x
   x = 10,573,171,174.76/147,573.46
6. Step 6: Final answer
   x = 71,646.83