Finding the Fourth Proportional to 4,570.88, 6,298.52 and 3,155

Step by Step Solution

1. Step 1: Write the proportion equation
   4,570.88 : 6,298.52 = 3,155 : x
2. Step 2: Convert to fraction form
   4,570.88/6,298.52 = 3,155/x
3. Step 3: Cross multiply
   4,570.88x = 6,298.52 × 3,155
4. Step 4: Simplify right side
   4,570.88x = 19,871,830.60
5. Step 5: Solve for x
   x = 19,871,830.60/4,570.88
6. Step 6: Final answer
   x = 4,347.48