Finding the Fourth Proportional to 98,902.50, 148,360.59 and 39,738.12

Step by Step Solution

1. Step 1: Write the proportion equation
   98,902.50 : 148,360.59 = 39,738.12 : x
2. Step 2: Convert to fraction form
   98,902.50/148,360.59 = 39,738.12/x
3. Step 3: Cross multiply
   98,902.50x = 148,360.59 × 39,738.12
4. Step 4: Simplify right side
   98,902.50x = 5,895,570,928.69
5. Step 5: Solve for x
   x = 5,895,570,928.69/98,902.50
6. Step 6: Final answer
   x = 59,609.93