Finding the Fourth Proportional to 52,711.34, 72,743.36 and 28,838.01

Step by Step Solution

1. Step 1: Write the proportion equation
   52,711.34 : 72,743.36 = 28,838.01 : x
2. Step 2: Convert to fraction form
   52,711.34/72,743.36 = 28,838.01/x
3. Step 3: Cross multiply
   52,711.34x = 72,743.36 × 28,838.01
4. Step 4: Simplify right side
   52,711.34x = 2,097,773,598.92
5. Step 5: Solve for x
   x = 2,097,773,598.92/52,711.34
6. Step 6: Final answer
   x = 39,797.39