Finding the Fourth Proportional to 5,086.55, 7,630.07 and 1,578.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.55 : 7,630.07 = 1,578.98 : x
2. Step 2: Convert to fraction form
   5,086.55/7,630.07 = 1,578.98/x
3. Step 3: Cross multiply
   5,086.55x = 7,630.07 × 1,578.98
4. Step 4: Simplify right side
   5,086.55x = 12,047,681.88
5. Step 5: Solve for x
   x = 12,047,681.88/5,086.55
6. Step 6: Final answer
   x = 2,368.54