Finding the Fourth Proportional to 103,676.30, 155,284.05 and 89,852.30

Step by Step Solution

1. Step 1: Write the proportion equation
   103,676.30 : 155,284.05 = 89,852.30 : x
2. Step 2: Convert to fraction form
   103,676.30/155,284.05 = 89,852.30/x
3. Step 3: Cross multiply
   103,676.30x = 155,284.05 × 89,852.30
4. Step 4: Simplify right side
   103,676.30x = 13,952,629,045.82
5. Step 5: Solve for x
   x = 13,952,629,045.82/103,676.30
6. Step 6: Final answer
   x = 134,578.77