Finding the Fourth Proportional to 2,487.04, 3,732.72 and 1,188.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.04 : 3,732.72 = 1,188.88 : x
2. Step 2: Convert to fraction form
   2,487.04/3,732.72 = 1,188.88/x
3. Step 3: Cross multiply
   2,487.04x = 3,732.72 × 1,188.88
4. Step 4: Simplify right side
   2,487.04x = 4,437,756.15
5. Step 5: Solve for x
   x = 4,437,756.15/2,487.04
6. Step 6: Final answer
   x = 1,784.35