Finding the Fourth Proportional to 4,723.31, 7,086.18 and 1,802.45

Step by Step Solution

1. Step 1: Write the proportion equation
   4,723.31 : 7,086.18 = 1,802.45 : x
2. Step 2: Convert to fraction form
   4,723.31/7,086.18 = 1,802.45/x
3. Step 3: Cross multiply
   4,723.31x = 7,086.18 × 1,802.45
4. Step 4: Simplify right side
   4,723.31x = 12,772,509.62
5. Step 5: Solve for x
   x = 12,772,509.62/4,723.31
6. Step 6: Final answer
   x = 2,704.14