Finding the Fourth Proportional to 88,638.88, 132,919.34 and 33,196

Step by Step Solution

1. Step 1: Write the proportion equation
   88,638.88 : 132,919.34 = 33,196 : x
2. Step 2: Convert to fraction form
   88,638.88/132,919.34 = 33,196/x
3. Step 3: Cross multiply
   88,638.88x = 132,919.34 × 33,196
4. Step 4: Simplify right side
   88,638.88x = 4,412,390,410.64
5. Step 5: Solve for x
   x = 4,412,390,410.64/88,638.88
6. Step 6: Final answer
   x = 49,779.40