Finding the Fourth Proportional to 52,696.34, 72,720.42 and 28,823.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,696.34 : 72,720.42 = 28,823.48 : x
2. Step 2: Convert to fraction form
   52,696.34/72,720.42 = 28,823.48/x
3. Step 3: Cross multiply
   52,696.34x = 72,720.42 × 28,823.48
4. Step 4: Simplify right side
   52,696.34x = 2,096,055,571.46
5. Step 5: Solve for x
   x = 2,096,055,571.46/52,696.34
6. Step 6: Final answer
   x = 39,776.11