Finding the Fourth Proportional to 98,288.14, 147,441.78 and 39,109.98

Step by Step Solution

1. Step 1: Write the proportion equation
   98,288.14 : 147,441.78 = 39,109.98 : x
2. Step 2: Convert to fraction form
   98,288.14/147,441.78 = 39,109.98/x
3. Step 3: Cross multiply
   98,288.14x = 147,441.78 × 39,109.98
4. Step 4: Simplify right side
   98,288.14x = 5,766,445,066.96
5. Step 5: Solve for x
   x = 5,766,445,066.96/98,288.14
6. Step 6: Final answer
   x = 58,668.78