Finding the Fourth Proportional to 2,621.50, 3,931.03 and 1,526.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.50 : 3,931.03 = 1,526.18 : x
2. Step 2: Convert to fraction form
   2,621.50/3,931.03 = 1,526.18/x
3. Step 3: Cross multiply
   2,621.50x = 3,931.03 × 1,526.18
4. Step 4: Simplify right side
   2,621.50x = 5,999,432.08
5. Step 5: Solve for x
   x = 5,999,432.08/2,621.50
6. Step 6: Final answer
   x = 2,288.55