Finding the Fourth Proportional to 110,280.80, 165,093.15 and 72,883.10

Step by Step Solution

1. Step 1: Write the proportion equation
   110,280.80 : 165,093.15 = 72,883.10 : x
2. Step 2: Convert to fraction form
   110,280.80/165,093.15 = 72,883.10/x
3. Step 3: Cross multiply
   110,280.80x = 165,093.15 × 72,883.10
4. Step 4: Simplify right side
   110,280.80x = 12,032,500,560.77
5. Step 5: Solve for x
   x = 12,032,500,560.77/110,280.80
6. Step 6: Final answer
   x = 109,107.85