Finding the Fourth Proportional to 72,826.10, 109,251.63 and 33,386.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,826.10 : 109,251.63 = 33,386.59 : x
2. Step 2: Convert to fraction form
   72,826.10/109,251.63 = 33,386.59/x
3. Step 3: Cross multiply
   72,826.10x = 109,251.63 × 33,386.59
4. Step 4: Simplify right side
   72,826.10x = 3,647,539,104.51
5. Step 5: Solve for x
   x = 3,647,539,104.51/72,826.10
6. Step 6: Final answer
   x = 50,085.61