Finding the Fourth Proportional to 98,073.20, 147,069.48 and 38,900.72

Step by Step Solution

1. Step 1: Write the proportion equation
   98,073.20 : 147,069.48 = 38,900.72 : x
2. Step 2: Convert to fraction form
   98,073.20/147,069.48 = 38,900.72/x
3. Step 3: Cross multiply
   98,073.20x = 147,069.48 × 38,900.72
4. Step 4: Simplify right side
   98,073.20x = 5,721,108,662.03
5. Step 5: Solve for x
   x = 5,721,108,662.03/98,073.20
6. Step 6: Final answer
   x = 58,335.09