Finding the Fourth Proportional to 2,507.39, 3,460.32 and 1,388.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.39 : 3,460.32 = 1,388.37 : x
2. Step 2: Convert to fraction form
   2,507.39/3,460.32 = 1,388.37/x
3. Step 3: Cross multiply
   2,507.39x = 3,460.32 × 1,388.37
4. Step 4: Simplify right side
   2,507.39x = 4,804,217.45
5. Step 5: Solve for x
   x = 4,804,217.45/2,507.39
6. Step 6: Final answer
   x = 1,916.02