Finding the Fourth Proportional to 145,993, 201,470.82 and 78,925.48

Step by Step Solution

1. Step 1: Write the proportion equation
   145,993 : 201,470.82 = 78,925.48 : x
2. Step 2: Convert to fraction form
   145,993/201,470.82 = 78,925.48/x
3. Step 3: Cross multiply
   145,993x = 201,470.82 × 78,925.48
4. Step 4: Simplify right side
   145,993x = 15,901,181,174.49
5. Step 5: Solve for x
   x = 15,901,181,174.49/145,993
6. Step 6: Final answer
   x = 108,917.42