Finding the Fourth Proportional to 2,101.50, 3,152.16 and 541.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.50 : 3,152.16 = 541.52 : x
2. Step 2: Convert to fraction form
   2,101.50/3,152.16 = 541.52/x
3. Step 3: Cross multiply
   2,101.50x = 3,152.16 × 541.52
4. Step 4: Simplify right side
   2,101.50x = 1,706,941.92
5. Step 5: Solve for x
   x = 1,706,941.92/2,101.50
6. Step 6: Final answer
   x = 812.25