Finding the Fourth Proportional to 1,526.57, 2,105.72 and 1,127.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,526.57 : 2,105.72 = 1,127.82 : x
2. Step 2: Convert to fraction form
   1,526.57/2,105.72 = 1,127.82/x
3. Step 3: Cross multiply
   1,526.57x = 2,105.72 × 1,127.82
4. Step 4: Simplify right side
   1,526.57x = 2,374,867.49
5. Step 5: Solve for x
   x = 2,374,867.49/1,526.57
6. Step 6: Final answer
   x = 1,555.69