Finding the Fourth Proportional to 72,856.26, 109,299.31 and 30,736.35

Step by Step Solution

1. Step 1: Write the proportion equation
   72,856.26 : 109,299.31 = 30,736.35 : x
2. Step 2: Convert to fraction form
   72,856.26/109,299.31 = 30,736.35/x
3. Step 3: Cross multiply
   72,856.26x = 109,299.31 × 30,736.35
4. Step 4: Simplify right side
   72,856.26x = 3,359,461,746.04
5. Step 5: Solve for x
   x = 3,359,461,746.04/72,856.26
6. Step 6: Final answer
   x = 46,110.82