Finding the Fourth Proportional to 98,061.69, 146,963.31 and 38,865.09

Step by Step Solution

1. Step 1: Write the proportion equation
   98,061.69 : 146,963.31 = 38,865.09 : x
2. Step 2: Convert to fraction form
   98,061.69/146,963.31 = 38,865.09/x
3. Step 3: Cross multiply
   98,061.69x = 146,963.31 × 38,865.09
4. Step 4: Simplify right side
   98,061.69x = 5,711,742,269.85
5. Step 5: Solve for x
   x = 5,711,742,269.85/98,061.69
6. Step 6: Final answer
   x = 58,246.42