Finding the Fourth Proportional to 1,051.82, 1,451.61 and 658.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.82 : 1,451.61 = 658.76 : x
2. Step 2: Convert to fraction form
   1,051.82/1,451.61 = 658.76/x
3. Step 3: Cross multiply
   1,051.82x = 1,451.61 × 658.76
4. Step 4: Simplify right side
   1,051.82x = 956,259.31
5. Step 5: Solve for x
   x = 956,259.31/1,051.82
6. Step 6: Final answer
   x = 909.15