Finding the Fourth Proportional to 165,637.72, 228,648.72 and 125,362.72

Step by Step Solution

1. Step 1: Write the proportion equation
   165,637.72 : 228,648.72 = 125,362.72 : x
2. Step 2: Convert to fraction form
   165,637.72/228,648.72 = 125,362.72/x
3. Step 3: Cross multiply
   165,637.72x = 228,648.72 × 125,362.72
4. Step 4: Simplify right side
   165,637.72x = 28,664,025,463.72
5. Step 5: Solve for x
   x = 28,664,025,463.72/165,637.72
6. Step 6: Final answer
   x = 173,052.52