Finding the Fourth Proportional to 52,842.42, 72,922.55 and 28,968.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,842.42 : 72,922.55 = 28,968.59 : x
2. Step 2: Convert to fraction form
   52,842.42/72,922.55 = 28,968.59/x
3. Step 3: Cross multiply
   52,842.42x = 72,922.55 × 28,968.59
4. Step 4: Simplify right side
   52,842.42x = 2,112,462,943.25
5. Step 5: Solve for x
   x = 2,112,462,943.25/52,842.42
6. Step 6: Final answer
   x = 39,976.65