Finding the Fourth Proportional to 185,142.05, 255,320.51 and 127,689.56

Step by Step Solution

1. Step 1: Write the proportion equation
   185,142.05 : 255,320.51 = 127,689.56 : x
2. Step 2: Convert to fraction form
   185,142.05/255,320.51 = 127,689.56/x
3. Step 3: Cross multiply
   185,142.05x = 255,320.51 × 127,689.56
4. Step 4: Simplify right side
   185,142.05x = 32,601,761,665.83
5. Step 5: Solve for x
   x = 32,601,761,665.83/185,142.05
6. Step 6: Final answer
   x = 176,090.53