Finding the Fourth Proportional to 72,859.74, 109,268.58 and 30,749.26

Step by Step Solution

1. Step 1: Write the proportion equation
   72,859.74 : 109,268.58 = 30,749.26 : x
2. Step 2: Convert to fraction form
   72,859.74/109,268.58 = 30,749.26/x
3. Step 3: Cross multiply
   72,859.74x = 109,268.58 × 30,749.26
4. Step 4: Simplify right side
   72,859.74x = 3,359,927,429.91
5. Step 5: Solve for x
   x = 3,359,927,429.91/72,859.74
6. Step 6: Final answer
   x = 46,115.01