Finding the Fourth Proportional to 2,507.29, 3,460.02 and 1,388.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.29 : 3,460.02 = 1,388.24 : x
2. Step 2: Convert to fraction form
   2,507.29/3,460.02 = 1,388.24/x
3. Step 3: Cross multiply
   2,507.29x = 3,460.02 × 1,388.24
4. Step 4: Simplify right side
   2,507.29x = 4,803,328.63
5. Step 5: Solve for x
   x = 4,803,328.63/2,507.29
6. Step 6: Final answer
   x = 1,915.75