Finding the Fourth Proportional to 1,185.58, 1,776.57 and 751.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.58 : 1,776.57 = 751.42 : x
2. Step 2: Convert to fraction form
   1,185.58/1,776.57 = 751.42/x
3. Step 3: Cross multiply
   1,185.58x = 1,776.57 × 751.42
4. Step 4: Simplify right side
   1,185.58x = 1,334,950.23
5. Step 5: Solve for x
   x = 1,334,950.23/1,185.58
6. Step 6: Final answer
   x = 1,125.99