Finding the Fourth Proportional to 10,788.89, 16,148.70 and 5,784.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.89 : 16,148.70 = 5,784.30 : x
2. Step 2: Convert to fraction form
   10,788.89/16,148.70 = 5,784.30/x
3. Step 3: Cross multiply
   10,788.89x = 16,148.70 × 5,784.30
4. Step 4: Simplify right side
   10,788.89x = 93,408,925.41
5. Step 5: Solve for x
   x = 93,408,925.41/10,788.89
6. Step 6: Final answer
   x = 8,657.88