Finding the Fourth Proportional to 52,758.47, 72,806.69 and 28,885.14

Step by Step Solution

1. Step 1: Write the proportion equation
   52,758.47 : 72,806.69 = 28,885.14 : x
2. Step 2: Convert to fraction form
   52,758.47/72,806.69 = 28,885.14/x
3. Step 3: Cross multiply
   52,758.47x = 72,806.69 × 28,885.14
4. Step 4: Simplify right side
   52,758.47x = 2,103,031,792.64
5. Step 5: Solve for x
   x = 2,103,031,792.64/52,758.47
6. Step 6: Final answer
   x = 39,861.50