Finding the Fourth Proportional to 1,261.82, 1,741.32 and 764.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261.82 : 1,741.32 = 764.37 : x
2. Step 2: Convert to fraction form
   1,261.82/1,741.32 = 764.37/x
3. Step 3: Cross multiply
   1,261.82x = 1,741.32 × 764.37
4. Step 4: Simplify right side
   1,261.82x = 1,331,012.77
5. Step 5: Solve for x
   x = 1,331,012.77/1,261.82
6. Step 6: Final answer
   x = 1,054.84