Finding the Fourth Proportional to 2,185.32, 3,010.60 and 1,521.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.32 : 3,010.60 = 1,521.02 : x
2. Step 2: Convert to fraction form
   2,185.32/3,010.60 = 1,521.02/x
3. Step 3: Cross multiply
   2,185.32x = 3,010.60 × 1,521.02
4. Step 4: Simplify right side
   2,185.32x = 4,579,182.81
5. Step 5: Solve for x
   x = 4,579,182.81/2,185.32
6. Step 6: Final answer
   x = 2,095.43