Finding the Fourth Proportional to 5,699.34, 8,550.48 and 5,078.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,699.34 : 8,550.48 = 5,078.88 : x
2. Step 2: Convert to fraction form
   5,699.34/8,550.48 = 5,078.88/x
3. Step 3: Cross multiply
   5,699.34x = 8,550.48 × 5,078.88
4. Step 4: Simplify right side
   5,699.34x = 43,426,861.86
5. Step 5: Solve for x
   x = 43,426,861.86/5,699.34
6. Step 6: Final answer
   x = 7,619.63