Finding the Fourth Proportional to 2,045.21, 3,068.55 and 1,005.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.21 : 3,068.55 = 1,005.10 : x
2. Step 2: Convert to fraction form
   2,045.21/3,068.55 = 1,005.10/x
3. Step 3: Cross multiply
   2,045.21x = 3,068.55 × 1,005.10
4. Step 4: Simplify right side
   2,045.21x = 3,084,191.93
5. Step 5: Solve for x
   x = 3,084,191.93/2,045.21
6. Step 6: Final answer
   x = 1,508.01