Finding the Fourth Proportional to 108,788.49, 150,089.63 and 71,084.61

Step by Step Solution

1. Step 1: Write the proportion equation
   108,788.49 : 150,089.63 = 71,084.61 : x
2. Step 2: Convert to fraction form
   108,788.49/150,089.63 = 71,084.61/x
3. Step 3: Cross multiply
   108,788.49x = 150,089.63 × 71,084.61
4. Step 4: Simplify right side
   108,788.49x = 10,669,062,458.17
5. Step 5: Solve for x
   x = 10,669,062,458.17/108,788.49
6. Step 6: Final answer
   x = 98,071.61