Finding the Fourth Proportional to 89,178.94, 123,046.72 and 60,502.51

Step by Step Solution

1. Step 1: Write the proportion equation
   89,178.94 : 123,046.72 = 60,502.51 : x
2. Step 2: Convert to fraction form
   89,178.94/123,046.72 = 60,502.51/x
3. Step 3: Cross multiply
   89,178.94x = 123,046.72 × 60,502.51
4. Step 4: Simplify right side
   89,178.94x = 7,444,635,407.27
5. Step 5: Solve for x
   x = 7,444,635,407.27/89,178.94
6. Step 6: Final answer
   x = 83,479.75