Finding the Fourth Proportional to 1,786.47, 2,462.18 and 1,507.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.47 : 2,462.18 = 1,507.43 : x
2. Step 2: Convert to fraction form
   1,786.47/2,462.18 = 1,507.43/x
3. Step 3: Cross multiply
   1,786.47x = 2,462.18 × 1,507.43
4. Step 4: Simplify right side
   1,786.47x = 3,711,544.15
5. Step 5: Solve for x
   x = 3,711,544.15/1,786.47
6. Step 6: Final answer
   x = 2,077.59