Finding the Fourth Proportional to 5,191.59, 7,164.72 and 2,953.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,191.59 : 7,164.72 = 2,953.91 : x
2. Step 2: Convert to fraction form
   5,191.59/7,164.72 = 2,953.91/x
3. Step 3: Cross multiply
   5,191.59x = 7,164.72 × 2,953.91
4. Step 4: Simplify right side
   5,191.59x = 21,163,938.06
5. Step 5: Solve for x
   x = 21,163,938.06/5,191.59
6. Step 6: Final answer
   x = 4,076.58