Finding the Fourth Proportional to 52,815.94, 72,887.77 and 28,942.41

Step by Step Solution

1. Step 1: Write the proportion equation
   52,815.94 : 72,887.77 = 28,942.41 : x
2. Step 2: Convert to fraction form
   52,815.94/72,887.77 = 28,942.41/x
3. Step 3: Cross multiply
   52,815.94x = 72,887.77 × 28,942.41
4. Step 4: Simplify right side
   52,815.94x = 2,109,547,358.89
5. Step 5: Solve for x
   x = 2,109,547,358.89/52,815.94
6. Step 6: Final answer
   x = 39,941.49