Finding the Fourth Proportional to 151,819.08, 209,554.82 and 88,185.48

Step by Step Solution

1. Step 1: Write the proportion equation
   151,819.08 : 209,554.82 = 88,185.48 : x
2. Step 2: Convert to fraction form
   151,819.08/209,554.82 = 88,185.48/x
3. Step 3: Cross multiply
   151,819.08x = 209,554.82 × 88,185.48
4. Step 4: Simplify right side
   151,819.08x = 18,479,692,388.01
5. Step 5: Solve for x
   x = 18,479,692,388.01/151,819.08
6. Step 6: Final answer
   x = 121,721.80