Finding the Fourth Proportional to 1,499.88, 2,069.76 and 1,126.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.88 : 2,069.76 = 1,126.56 : x
2. Step 2: Convert to fraction form
   1,499.88/2,069.76 = 1,126.56/x
3. Step 3: Cross multiply
   1,499.88x = 2,069.76 × 1,126.56
4. Step 4: Simplify right side
   1,499.88x = 2,331,708.83
5. Step 5: Solve for x
   x = 2,331,708.83/1,499.88
6. Step 6: Final answer
   x = 1,554.60