Finding the Fourth Proportional to 5,277.30, 7,901.37 and 2,667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,277.30 : 7,901.37 = 2,667.48 : x
2. Step 2: Convert to fraction form
   5,277.30/7,901.37 = 2,667.48/x
3. Step 3: Cross multiply
   5,277.30x = 7,901.37 × 2,667.48
4. Step 4: Simplify right side
   5,277.30x = 21,076,746.45
5. Step 5: Solve for x
   x = 21,076,746.45/5,277.30
6. Step 6: Final answer
   x = 3,993.85