Finding the Fourth Proportional to 147,642.27, 221,492.55 and 54,148.83

Step by Step Solution

1. Step 1: Write the proportion equation
   147,642.27 : 221,492.55 = 54,148.83 : x
2. Step 2: Convert to fraction form
   147,642.27/221,492.55 = 54,148.83/x
3. Step 3: Cross multiply
   147,642.27x = 221,492.55 × 54,148.83
4. Step 4: Simplify right side
   147,642.27x = 11,993,562,436.22
5. Step 5: Solve for x
   x = 11,993,562,436.22/147,642.27
6. Step 6: Final answer
   x = 81,233.93