Finding the Fourth Proportional to 2,437.27, 3,362.51 and 1,388.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,437.27 : 3,362.51 = 1,388.77 : x
2. Step 2: Convert to fraction form
   2,437.27/3,362.51 = 1,388.77/x
3. Step 3: Cross multiply
   2,437.27x = 3,362.51 × 1,388.77
4. Step 4: Simplify right side
   2,437.27x = 4,669,753.01
5. Step 5: Solve for x
   x = 4,669,753.01/2,437.27
6. Step 6: Final answer
   x = 1,915.98