Finding the Fourth Proportional to 1,051.51, 1,451.17 and 609.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.51 : 1,451.17 = 609.42 : x
2. Step 2: Convert to fraction form
   1,051.51/1,451.17 = 609.42/x
3. Step 3: Cross multiply
   1,051.51x = 1,451.17 × 609.42
4. Step 4: Simplify right side
   1,051.51x = 884,372.02
5. Step 5: Solve for x
   x = 884,372.02/1,051.51
6. Step 6: Final answer
   x = 841.05