Finding the Fourth Proportional to 4,131.50, 6,187.53 and 3,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,131.50 : 6,187.53 = 3,159.50 : x
2. Step 2: Convert to fraction form
   4,131.50/6,187.53 = 3,159.50/x
3. Step 3: Cross multiply
   4,131.50x = 6,187.53 × 3,159.50
4. Step 4: Simplify right side
   4,131.50x = 19,549,501.04
5. Step 5: Solve for x
   x = 19,549,501.04/4,131.50
6. Step 6: Final answer
   x = 4,731.82