Finding the Fourth Proportional to 4,978.17, 7,461.09 and 2,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.17 : 7,461.09 = 2,513.69 : x
2. Step 2: Convert to fraction form
   4,978.17/7,461.09 = 2,513.69/x
3. Step 3: Cross multiply
   4,978.17x = 7,461.09 × 2,513.69
4. Step 4: Simplify right side
   4,978.17x = 18,754,867.32
5. Step 5: Solve for x
   x = 18,754,867.32/4,978.17
6. Step 6: Final answer
   x = 3,767.42