Finding the Fourth Proportional to 2,325.89, 3,210.50 and 1,529.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,325.89 : 3,210.50 = 1,529.80 : x
2. Step 2: Convert to fraction form
   2,325.89/3,210.50 = 1,529.80/x
3. Step 3: Cross multiply
   2,325.89x = 3,210.50 × 1,529.80
4. Step 4: Simplify right side
   2,325.89x = 4,911,422.90
5. Step 5: Solve for x
   x = 4,911,422.90/2,325.89
6. Step 6: Final answer
   x = 2,111.63