Finding the Fourth Proportional to 4,911.78, 7,366.61 and 1,624.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,911.78 : 7,366.61 = 1,624.10 : x
2. Step 2: Convert to fraction form
   4,911.78/7,366.61 = 1,624.10/x
3. Step 3: Cross multiply
   4,911.78x = 7,366.61 × 1,624.10
4. Step 4: Simplify right side
   4,911.78x = 11,964,066.35
5. Step 5: Solve for x
   x = 11,964,066.35/4,911.78
6. Step 6: Final answer
   x = 2,435.79