Finding the Fourth Proportional to 2,068.70, 3,097.20 and 1,607.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.70 : 3,097.20 = 1,607.30 : x
2. Step 2: Convert to fraction form
   2,068.70/3,097.20 = 1,607.30/x
3. Step 3: Cross multiply
   2,068.70x = 3,097.20 × 1,607.30
4. Step 4: Simplify right side
   2,068.70x = 4,978,129.56
5. Step 5: Solve for x
   x = 4,978,129.56/2,068.70
6. Step 6: Final answer
   x = 2,406.40