Finding the Fourth Proportional to 7,748.86, 10,693.38 and 4,212.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,748.86 : 10,693.38 = 4,212.04 : x
2. Step 2: Convert to fraction form
   7,748.86/10,693.38 = 4,212.04/x
3. Step 3: Cross multiply
   7,748.86x = 10,693.38 × 4,212.04
4. Step 4: Simplify right side
   7,748.86x = 45,040,944.30
5. Step 5: Solve for x
   x = 45,040,944.30/7,748.86
6. Step 6: Final answer
   x = 5,812.59