Finding the Fourth Proportional to 53,196.31, 73,410.42 and 28,997.27

Step by Step Solution

1. Step 1: Write the proportion equation
   53,196.31 : 73,410.42 = 28,997.27 : x
2. Step 2: Convert to fraction form
   53,196.31/73,410.42 = 28,997.27/x
3. Step 3: Cross multiply
   53,196.31x = 73,410.42 × 28,997.27
4. Step 4: Simplify right side
   53,196.31x = 2,128,701,769.55
5. Step 5: Solve for x
   x = 2,128,701,769.55/53,196.31
6. Step 6: Final answer
   x = 40,015.97