Finding the Fourth Proportional to 7,417.84, 10,238.28 and 4,900.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,417.84 : 10,238.28 = 4,900.40 : x
2. Step 2: Convert to fraction form
   7,417.84/10,238.28 = 4,900.40/x
3. Step 3: Cross multiply
   7,417.84x = 10,238.28 × 4,900.40
4. Step 4: Simplify right side
   7,417.84x = 50,171,667.31
5. Step 5: Solve for x
   x = 50,171,667.31/7,417.84
6. Step 6: Final answer
   x = 6,763.65