Finding the Fourth Proportional to 152,840.52, 228,845.25 and 89,567.37

Step by Step Solution

1. Step 1: Write the proportion equation
   152,840.52 : 228,845.25 = 89,567.37 : x
2. Step 2: Convert to fraction form
   152,840.52/228,845.25 = 89,567.37/x
3. Step 3: Cross multiply
   152,840.52x = 228,845.25 × 89,567.37
4. Step 4: Simplify right side
   152,840.52x = 20,497,067,179.49
5. Step 5: Solve for x
   x = 20,497,067,179.49/152,840.52
6. Step 6: Final answer
   x = 134,107.55