Finding the Fourth Proportional to 4,938.90, 7,366.69 and 4,200.18

Step by Step Solution

1. Step 1: Write the proportion equation
   4,938.90 : 7,366.69 = 4,200.18 : x
2. Step 2: Convert to fraction form
   4,938.90/7,366.69 = 4,200.18/x
3. Step 3: Cross multiply
   4,938.90x = 7,366.69 × 4,200.18
4. Step 4: Simplify right side
   4,938.90x = 30,941,424.00
5. Step 5: Solve for x
   x = 30,941,424.00/4,938.90
6. Step 6: Final answer
   x = 6,264.84