Finding the Fourth Proportional to 72,896.23, 109,324.72 and 30,776.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,896.23 : 109,324.72 = 30,776.59 : x
2. Step 2: Convert to fraction form
   72,896.23/109,324.72 = 30,776.59/x
3. Step 3: Cross multiply
   72,896.23x = 109,324.72 × 30,776.59
4. Step 4: Simplify right side
   72,896.23x = 3,364,642,084.30
5. Step 5: Solve for x
   x = 3,364,642,084.30/72,896.23
6. Step 6: Final answer
   x = 46,156.60