Finding the Fourth Proportional to 145,978.93, 201,451.22 and 78,910.93

Step by Step Solution

1. Step 1: Write the proportion equation
   145,978.93 : 201,451.22 = 78,910.93 : x
2. Step 2: Convert to fraction form
   145,978.93/201,451.22 = 78,910.93/x
3. Step 3: Cross multiply
   145,978.93x = 201,451.22 × 78,910.93
4. Step 4: Simplify right side
   145,978.93x = 15,896,703,119.83
5. Step 5: Solve for x
   x = 15,896,703,119.83/145,978.93
6. Step 6: Final answer
   x = 108,897.24