Finding the Fourth Proportional to 2,389.37, 3,298.28 and 1,505.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.37 : 3,298.28 = 1,505.01 : x
2. Step 2: Convert to fraction form
   2,389.37/3,298.28 = 1,505.01/x
3. Step 3: Cross multiply
   2,389.37x = 3,298.28 × 1,505.01
4. Step 4: Simplify right side
   2,389.37x = 4,963,936.86
5. Step 5: Solve for x
   x = 4,963,936.86/2,389.37
6. Step 6: Final answer
   x = 2,077.51