Finding the Fourth Proportional to 147,338.62, 221,048.71 and 58,654.38

Step by Step Solution

1. Step 1: Write the proportion equation
   147,338.62 : 221,048.71 = 58,654.38 : x
2. Step 2: Convert to fraction form
   147,338.62/221,048.71 = 58,654.38/x
3. Step 3: Cross multiply
   147,338.62x = 221,048.71 × 58,654.38
4. Step 4: Simplify right side
   147,338.62x = 12,965,475,034.85
5. Step 5: Solve for x
   x = 12,965,475,034.85/147,338.62
6. Step 6: Final answer
   x = 87,997.80