Finding the Fourth Proportional to 1,507.24, 2,076.67 and 1,127.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.24 : 2,076.67 = 1,127.55 : x
2. Step 2: Convert to fraction form
   1,507.24/2,076.67 = 1,127.55/x
3. Step 3: Cross multiply
   1,507.24x = 2,076.67 × 1,127.55
4. Step 4: Simplify right side
   1,507.24x = 2,341,558.46
5. Step 5: Solve for x
   x = 2,341,558.46/1,507.24
6. Step 6: Final answer
   x = 1,553.54