Finding the Fourth Proportional to 1,147.94, 1,713.58 and 1,009.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.94 : 1,713.58 = 1,009.56 : x
2. Step 2: Convert to fraction form
   1,147.94/1,713.58 = 1,009.56/x
3. Step 3: Cross multiply
   1,147.94x = 1,713.58 × 1,009.56
4. Step 4: Simplify right side
   1,147.94x = 1,729,961.82
5. Step 5: Solve for x
   x = 1,729,961.82/1,147.94
6. Step 6: Final answer
   x = 1,507.01