Finding the Fourth Proportional to 52,647.49, 72,653.42 and 28,774.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,647.49 : 72,653.42 = 28,774.34 : x
2. Step 2: Convert to fraction form
   52,647.49/72,653.42 = 28,774.34/x
3. Step 3: Cross multiply
   52,647.49x = 72,653.42 × 28,774.34
4. Step 4: Simplify right side
   52,647.49x = 2,090,554,209.24
5. Step 5: Solve for x
   x = 2,090,554,209.24/52,647.49
6. Step 6: Final answer
   x = 39,708.53