Finding the Fourth Proportional to 1,807.59, 2,493.75 and 1,178.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.59 : 2,493.75 = 1,178.67 : x
2. Step 2: Convert to fraction form
   1,807.59/2,493.75 = 1,178.67/x
3. Step 3: Cross multiply
   1,807.59x = 2,493.75 × 1,178.67
4. Step 4: Simplify right side
   1,807.59x = 2,939,308.31
5. Step 5: Solve for x
   x = 2,939,308.31/1,807.59
6. Step 6: Final answer
   x = 1,626.09