Finding the Fourth Proportional to 4,687.86, 7,019.31 and 4,097.46

Step by Step Solution

1. Step 1: Write the proportion equation
   4,687.86 : 7,019.31 = 4,097.46 : x
2. Step 2: Convert to fraction form
   4,687.86/7,019.31 = 4,097.46/x
3. Step 3: Cross multiply
   4,687.86x = 7,019.31 × 4,097.46
4. Step 4: Simplify right side
   4,687.86x = 28,761,341.95
5. Step 5: Solve for x
   x = 28,761,341.95/4,687.86
6. Step 6: Final answer
   x = 6,135.28