Finding the Fourth Proportional to 155,003.76, 231,901.34 and 135,876.55

Step by Step Solution

1. Step 1: Write the proportion equation
   155,003.76 : 231,901.34 = 135,876.55 : x
2. Step 2: Convert to fraction form
   155,003.76/231,901.34 = 135,876.55/x
3. Step 3: Cross multiply
   155,003.76x = 231,901.34 × 135,876.55
4. Step 4: Simplify right side
   155,003.76x = 31,509,954,019.58
5. Step 5: Solve for x
   x = 31,509,954,019.58/155,003.76
6. Step 6: Final answer
   x = 203,285.09