Finding the Fourth Proportional to 73,003.26, 109,516.72 and 28,605.94

Step by Step Solution

1. Step 1: Write the proportion equation
   73,003.26 : 109,516.72 = 28,605.94 : x
2. Step 2: Convert to fraction form
   73,003.26/109,516.72 = 28,605.94/x
3. Step 3: Cross multiply
   73,003.26x = 109,516.72 × 28,605.94
4. Step 4: Simplify right side
   73,003.26x = 3,132,828,721.32
5. Step 5: Solve for x
   x = 3,132,828,721.32/73,003.26
6. Step 6: Final answer
   x = 42,913.55