Finding the Fourth Proportional to 5,086.69, 7,630.18 and 1,623.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.69 : 7,630.18 = 1,623.94 : x
2. Step 2: Convert to fraction form
   5,086.69/7,630.18 = 1,623.94/x
3. Step 3: Cross multiply
   5,086.69x = 7,630.18 × 1,623.94
4. Step 4: Simplify right side
   5,086.69x = 12,390,931.37
5. Step 5: Solve for x
   x = 12,390,931.37/5,086.69
6. Step 6: Final answer
   x = 2,435.95