Finding the Fourth Proportional to 3,191.59, 4,755.30 and 3,012.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,191.59 : 4,755.30 = 3,012.53 : x
2. Step 2: Convert to fraction form
   3,191.59/4,755.30 = 3,012.53/x
3. Step 3: Cross multiply
   3,191.59x = 4,755.30 × 3,012.53
4. Step 4: Simplify right side
   3,191.59x = 14,325,495.80
5. Step 5: Solve for x
   x = 14,325,495.80/3,191.59
6. Step 6: Final answer
   x = 4,488.52