Finding the Fourth Proportional to 3,400.86, 5,097.78 and 2,013.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,400.86 : 5,097.78 = 2,013.93 : x
2. Step 2: Convert to fraction form
   3,400.86/5,097.78 = 2,013.93/x
3. Step 3: Cross multiply
   3,400.86x = 5,097.78 × 2,013.93
4. Step 4: Simplify right side
   3,400.86x = 10,266,572.08
5. Step 5: Solve for x
   x = 10,266,572.08/3,400.86
6. Step 6: Final answer
   x = 3,018.82