Finding the Fourth Proportional to 52,788.66, 72,850.23 and 28,916.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,788.66 : 72,850.23 = 28,916.34 : x
2. Step 2: Convert to fraction form
   52,788.66/72,850.23 = 28,916.34/x
3. Step 3: Cross multiply
   52,788.66x = 72,850.23 × 28,916.34
4. Step 4: Simplify right side
   52,788.66x = 2,106,562,019.76
5. Step 5: Solve for x
   x = 2,106,562,019.76/52,788.66
6. Step 6: Final answer
   x = 39,905.58