Finding the Fourth Proportional to 136,764.86, 188,586.69 and 88,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,764.86 : 188,586.69 = 88,929.50 : x
2. Step 2: Convert to fraction form
   136,764.86/188,586.69 = 88,929.50/x
3. Step 3: Cross multiply
   136,764.86x = 188,586.69 × 88,929.50
4. Step 4: Simplify right side
   136,764.86x = 16,770,919,105.42
5. Step 5: Solve for x
   x = 16,770,919,105.42/136,764.86
6. Step 6: Final answer
   x = 122,625.94