Finding the Fourth Proportional to 72,923.52, 109,375.32 and 28,581.26

Step by Step Solution

1. Step 1: Write the proportion equation
   72,923.52 : 109,375.32 = 28,581.26 : x
2. Step 2: Convert to fraction form
   72,923.52/109,375.32 = 28,581.26/x
3. Step 3: Cross multiply
   72,923.52x = 109,375.32 × 28,581.26
4. Step 4: Simplify right side
   72,923.52x = 3,126,084,458.50
5. Step 5: Solve for x
   x = 3,126,084,458.50/72,923.52
6. Step 6: Final answer
   x = 42,867.99