Finding the Fourth Proportional to 5,191.32, 7,161.84 and 3,620.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,191.32 : 7,161.84 = 3,620.34 : x
2. Step 2: Convert to fraction form
   5,191.32/7,161.84 = 3,620.34/x
3. Step 3: Cross multiply
   5,191.32x = 7,161.84 × 3,620.34
4. Step 4: Simplify right side
   5,191.32x = 25,928,295.83
5. Step 5: Solve for x
   x = 25,928,295.83/5,191.32
6. Step 6: Final answer
   x = 4,994.55