Finding the Fourth Proportional to 147,888.38, 221,743.72 and 57,823.79

Step by Step Solution

1. Step 1: Write the proportion equation
   147,888.38 : 221,743.72 = 57,823.79 : x
2. Step 2: Convert to fraction form
   147,888.38/221,743.72 = 57,823.79/x
3. Step 3: Cross multiply
   147,888.38x = 221,743.72 × 57,823.79
4. Step 4: Simplify right side
   147,888.38x = 12,822,061,262.66
5. Step 5: Solve for x
   x = 12,822,061,262.66/147,888.38
6. Step 6: Final answer
   x = 86,700.94