Finding the Fourth Proportional to 147,667.24, 221,452.26 and 81,182.44

Step by Step Solution

1. Step 1: Write the proportion equation
   147,667.24 : 221,452.26 = 81,182.44 : x
2. Step 2: Convert to fraction form
   147,667.24/221,452.26 = 81,182.44/x
3. Step 3: Cross multiply
   147,667.24x = 221,452.26 × 81,182.44
4. Step 4: Simplify right side
   147,667.24x = 17,978,034,810.31
5. Step 5: Solve for x
   x = 17,978,034,810.31/147,667.24
6. Step 6: Final answer
   x = 121,746.94