Finding the Fourth Proportional to 2,038.32, 2,810.16 and 1,620.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.32 : 2,810.16 = 1,620.07 : x
2. Step 2: Convert to fraction form
   2,038.32/2,810.16 = 1,620.07/x
3. Step 3: Cross multiply
   2,038.32x = 2,810.16 × 1,620.07
4. Step 4: Simplify right side
   2,038.32x = 4,552,648.89
5. Step 5: Solve for x
   x = 4,552,648.89/2,038.32
6. Step 6: Final answer
   x = 2,233.53