Finding the Fourth Proportional to 3,164.04, 4,742.52 and 1,187.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,164.04 : 4,742.52 = 1,187.76 : x
2. Step 2: Convert to fraction form
   3,164.04/4,742.52 = 1,187.76/x
3. Step 3: Cross multiply
   3,164.04x = 4,742.52 × 1,187.76
4. Step 4: Simplify right side
   3,164.04x = 5,632,975.56
5. Step 5: Solve for x
   x = 5,632,975.56/3,164.04
6. Step 6: Final answer
   x = 1,780.31