Finding the Fourth Proportional to 73,043.31, 109,614.17 and 28,664.83

Step by Step Solution

1. Step 1: Write the proportion equation
   73,043.31 : 109,614.17 = 28,664.83 : x
2. Step 2: Convert to fraction form
   73,043.31/109,614.17 = 28,664.83/x
3. Step 3: Cross multiply
   73,043.31x = 109,614.17 × 28,664.83
4. Step 4: Simplify right side
   73,043.31x = 3,142,071,346.27
5. Step 5: Solve for x
   x = 3,142,071,346.27/73,043.31
6. Step 6: Final answer
   x = 43,016.55