Finding the Fourth Proportional to 52,816.04, 72,884.20 and 28,943

Step by Step Solution

1. Step 1: Write the proportion equation
   52,816.04 : 72,884.20 = 28,943 : x
2. Step 2: Convert to fraction form
   52,816.04/72,884.20 = 28,943/x
3. Step 3: Cross multiply
   52,816.04x = 72,884.20 × 28,943
4. Step 4: Simplify right side
   52,816.04x = 2,109,487,400.60
5. Step 5: Solve for x
   x = 2,109,487,400.60/52,816.04
6. Step 6: Final answer
   x = 39,940.28