Finding the Fourth Proportional to 145,894.02, 201,333.78 and 78,826.02

Step by Step Solution

1. Step 1: Write the proportion equation
   145,894.02 : 201,333.78 = 78,826.02 : x
2. Step 2: Convert to fraction form
   145,894.02/201,333.78 = 78,826.02/x
3. Step 3: Cross multiply
   145,894.02x = 201,333.78 × 78,826.02
4. Step 4: Simplify right side
   145,894.02x = 15,870,340,568.96
5. Step 5: Solve for x
   x = 15,870,340,568.96/145,894.02
6. Step 6: Final answer
   x = 108,779.93