Finding the Fourth Proportional to 136,770.72, 188,843.56 and 88,401.26

Step by Step Solution

1. Step 1: Write the proportion equation
   136,770.72 : 188,843.56 = 88,401.26 : x
2. Step 2: Convert to fraction form
   136,770.72/188,843.56 = 88,401.26/x
3. Step 3: Cross multiply
   136,770.72x = 188,843.56 × 88,401.26
4. Step 4: Simplify right side
   136,770.72x = 16,694,008,646.89
5. Step 5: Solve for x
   x = 16,694,008,646.89/136,770.72
6. Step 6: Final answer
   x = 122,058.35