Finding the Fourth Proportional to 1,890.57, 2,832.20 and 1,066.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.57 : 2,832.20 = 1,066.32 : x
2. Step 2: Convert to fraction form
   1,890.57/2,832.20 = 1,066.32/x
3. Step 3: Cross multiply
   1,890.57x = 2,832.20 × 1,066.32
4. Step 4: Simplify right side
   1,890.57x = 3,020,026.17
5. Step 5: Solve for x
   x = 3,020,026.17/1,890.57
6. Step 6: Final answer
   x = 1,597.42