Finding the Fourth Proportional to 52,784.08, 72,842.22 and 28,910.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,784.08 : 72,842.22 = 28,910.56 : x
2. Step 2: Convert to fraction form
   52,784.08/72,842.22 = 28,910.56/x
3. Step 3: Cross multiply
   52,784.08x = 72,842.22 × 28,910.56
4. Step 4: Simplify right side
   52,784.08x = 2,105,909,371.84
5. Step 5: Solve for x
   x = 2,105,909,371.84/52,784.08
6. Step 6: Final answer
   x = 39,896.68