Finding the Fourth Proportional to 2,507.34, 3,460.01 and 1,388.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.34 : 3,460.01 = 1,388.26 : x
2. Step 2: Convert to fraction form
   2,507.34/3,460.01 = 1,388.26/x
3. Step 3: Cross multiply
   2,507.34x = 3,460.01 × 1,388.26
4. Step 4: Simplify right side
   2,507.34x = 4,803,393.48
5. Step 5: Solve for x
   x = 4,803,393.48/2,507.34
6. Step 6: Final answer
   x = 1,915.73