Finding the Fourth Proportional to 147,458.91, 221,151.91 and 63,209.53

Step by Step Solution

1. Step 1: Write the proportion equation
   147,458.91 : 221,151.91 = 63,209.53 : x
2. Step 2: Convert to fraction form
   147,458.91/221,151.91 = 63,209.53/x
3. Step 3: Cross multiply
   147,458.91x = 221,151.91 × 63,209.53
4. Step 4: Simplify right side
   147,458.91x = 13,978,906,867.90
5. Step 5: Solve for x
   x = 13,978,906,867.90/147,458.91
6. Step 6: Final answer
   x = 94,798.66