Finding the Fourth Proportional to 52,788.57, 72,848.24 and 28,916.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,788.57 : 72,848.24 = 28,916.10 : x
2. Step 2: Convert to fraction form
   52,788.57/72,848.24 = 28,916.10/x
3. Step 3: Cross multiply
   52,788.57x = 72,848.24 × 28,916.10
4. Step 4: Simplify right side
   52,788.57x = 2,106,486,956.52
5. Step 5: Solve for x
   x = 2,106,486,956.52/52,788.57
6. Step 6: Final answer
   x = 39,904.23