Finding the Fourth Proportional to 52,647.75, 72,653.76 and 28,774.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,647.75 : 72,653.76 = 28,774.59 : x
2. Step 2: Convert to fraction form
   52,647.75/72,653.76 = 28,774.59/x
3. Step 3: Cross multiply
   52,647.75x = 72,653.76 × 28,774.59
4. Step 4: Simplify right side
   52,647.75x = 2,090,581,883.51
5. Step 5: Solve for x
   x = 2,090,581,883.51/52,647.75
6. Step 6: Final answer
   x = 39,708.86