Finding the Fourth Proportional to 3,528.59, 5,292.98 and 1,967.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,528.59 : 5,292.98 = 1,967.72 : x
2. Step 2: Convert to fraction form
   3,528.59/5,292.98 = 1,967.72/x
3. Step 3: Cross multiply
   3,528.59x = 5,292.98 × 1,967.72
4. Step 4: Simplify right side
   3,528.59x = 10,415,066.30
5. Step 5: Solve for x
   x = 10,415,066.30/3,528.59
6. Step 6: Final answer
   x = 2,951.63