Finding the Fourth Proportional to 2,342.32, 3,516.72 and 1,188.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,342.32 : 3,516.72 = 1,188.88 : x
2. Step 2: Convert to fraction form
   2,342.32/3,516.72 = 1,188.88/x
3. Step 3: Cross multiply
   2,342.32x = 3,516.72 × 1,188.88
4. Step 4: Simplify right side
   2,342.32x = 4,180,958.07
5. Step 5: Solve for x
   x = 4,180,958.07/2,342.32
6. Step 6: Final answer
   x = 1,784.96