Finding the Fourth Proportional to 5,047.86, 7,572.83 and 2,126.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,047.86 : 7,572.83 = 2,126.15 : x
2. Step 2: Convert to fraction form
   5,047.86/7,572.83 = 2,126.15/x
3. Step 3: Cross multiply
   5,047.86x = 7,572.83 × 2,126.15
4. Step 4: Simplify right side
   5,047.86x = 16,100,924.01
5. Step 5: Solve for x
   x = 16,100,924.01/5,047.86
6. Step 6: Final answer
   x = 3,189.65