Finding the Fourth Proportional to 2,577.82, 3,866.72 and 933.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.82 : 3,866.72 = 933.98 : x
2. Step 2: Convert to fraction form
   2,577.82/3,866.72 = 933.98/x
3. Step 3: Cross multiply
   2,577.82x = 3,866.72 × 933.98
4. Step 4: Simplify right side
   2,577.82x = 3,611,439.15
5. Step 5: Solve for x
   x = 3,611,439.15/2,577.82
6. Step 6: Final answer
   x = 1,400.97