Finding the Fourth Proportional to 52,676.47, 72,696.23 and 28,802.89

Step by Step Solution

1. Step 1: Write the proportion equation
   52,676.47 : 72,696.23 = 28,802.89 : x
2. Step 2: Convert to fraction form
   52,676.47/72,696.23 = 28,802.89/x
3. Step 3: Cross multiply
   52,676.47x = 72,696.23 × 28,802.89
4. Step 4: Simplify right side
   52,676.47x = 2,093,861,516.10
5. Step 5: Solve for x
   x = 2,093,861,516.10/52,676.47
6. Step 6: Final answer
   x = 39,749.47