Finding the Fourth Proportional to 147,456.09, 221,147.51 and 63,206.70

Step by Step Solution

1. Step 1: Write the proportion equation
   147,456.09 : 221,147.51 = 63,206.70 : x
2. Step 2: Convert to fraction form
   147,456.09/221,147.51 = 63,206.70/x
3. Step 3: Cross multiply
   147,456.09x = 221,147.51 × 63,206.70
4. Step 4: Simplify right side
   147,456.09x = 13,978,004,004.28
5. Step 5: Solve for x
   x = 13,978,004,004.28/147,456.09
6. Step 6: Final answer
   x = 94,794.35