Finding the Fourth Proportional to 5,399.58, 8,111.63 and 4,661.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.58 : 8,111.63 = 4,661.46 : x
2. Step 2: Convert to fraction form
   5,399.58/8,111.63 = 4,661.46/x
3. Step 3: Cross multiply
   5,399.58x = 8,111.63 × 4,661.46
4. Step 4: Simplify right side
   5,399.58x = 37,812,038.78
5. Step 5: Solve for x
   x = 37,812,038.78/5,399.58
6. Step 6: Final answer
   x = 7,002.77