Finding the Fourth Proportional to 5,191.76, 7,164.72 and 2,953.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,191.76 : 7,164.72 = 2,953.68 : x
2. Step 2: Convert to fraction form
   5,191.76/7,164.72 = 2,953.68/x
3. Step 3: Cross multiply
   5,191.76x = 7,164.72 × 2,953.68
4. Step 4: Simplify right side
   5,191.76x = 21,162,290.17
5. Step 5: Solve for x
   x = 21,162,290.17/5,191.76
6. Step 6: Final answer
   x = 4,076.13