Finding the Fourth Proportional to 52,758.84, 72,809.04 and 28,885.71

Step by Step Solution

1. Step 1: Write the proportion equation
   52,758.84 : 72,809.04 = 28,885.71 : x
2. Step 2: Convert to fraction form
   52,758.84/72,809.04 = 28,885.71/x
3. Step 3: Cross multiply
   52,758.84x = 72,809.04 × 28,885.71
4. Step 4: Simplify right side
   52,758.84x = 2,103,141,196.17
5. Step 5: Solve for x
   x = 2,103,141,196.17/52,758.84
6. Step 6: Final answer
   x = 39,863.29