Finding the Fourth Proportional to 152,076.78, 209,895.97 and 88,426.88

Step by Step Solution

1. Step 1: Write the proportion equation
   152,076.78 : 209,895.97 = 88,426.88 : x
2. Step 2: Convert to fraction form
   152,076.78/209,895.97 = 88,426.88/x
3. Step 3: Cross multiply
   152,076.78x = 209,895.97 × 88,426.88
4. Step 4: Simplify right side
   152,076.78x = 18,560,445,751.67
5. Step 5: Solve for x
   x = 18,560,445,751.67/152,076.78
6. Step 6: Final answer
   x = 122,046.55