Finding the Fourth Proportional to 3,965.29, 5,947.86 and 1,191.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,965.29 : 5,947.86 = 1,191.98 : x
2. Step 2: Convert to fraction form
   3,965.29/5,947.86 = 1,191.98/x
3. Step 3: Cross multiply
   3,965.29x = 5,947.86 × 1,191.98
4. Step 4: Simplify right side
   3,965.29x = 7,089,730.16
5. Step 5: Solve for x
   x = 7,089,730.16/3,965.29
6. Step 6: Final answer
   x = 1,787.95