Finding the Fourth Proportional to 89,800.89, 134,701.33 and 39,869.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,800.89 : 134,701.33 = 39,869.25 : x
2. Step 2: Convert to fraction form
   89,800.89/134,701.33 = 39,869.25/x
3. Step 3: Cross multiply
   89,800.89x = 134,701.33 × 39,869.25
4. Step 4: Simplify right side
   89,800.89x = 5,370,441,001.10
5. Step 5: Solve for x
   x = 5,370,441,001.10/89,800.89
6. Step 6: Final answer
   x = 59,803.87