Finding the Fourth Proportional to 2,359.45, 3,538.17 and 1,188.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.45 : 3,538.17 = 1,188.73 : x
2. Step 2: Convert to fraction form
   2,359.45/3,538.17 = 1,188.73/x
3. Step 3: Cross multiply
   2,359.45x = 3,538.17 × 1,188.73
4. Step 4: Simplify right side
   2,359.45x = 4,205,928.82
5. Step 5: Solve for x
   x = 4,205,928.82/2,359.45
6. Step 6: Final answer
   x = 1,782.59