Finding the Fourth Proportional to 1,507.00, 2,076.34 and 1,127.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.00 : 2,076.34 = 1,127.31 : x
2. Step 2: Convert to fraction form
   1,507.00/2,076.34 = 1,127.31/x
3. Step 3: Cross multiply
   1,507.00x = 2,076.34 × 1,127.31
4. Step 4: Simplify right side
   1,507.00x = 2,340,673.21
5. Step 5: Solve for x
   x = 2,340,673.21/1,507.00
6. Step 6: Final answer
   x = 1,553.21