Finding the Fourth Proportional to 1,051.86, 1,451.54 and 659.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.86 : 1,451.54 = 659.10 : x
2. Step 2: Convert to fraction form
   1,051.86/1,451.54 = 659.10/x
3. Step 3: Cross multiply
   1,051.86x = 1,451.54 × 659.10
4. Step 4: Simplify right side
   1,051.86x = 956,710.01
5. Step 5: Solve for x
   x = 956,710.01/1,051.86
6. Step 6: Final answer
   x = 909.54