Finding the Fourth Proportional to 2,535.98, 3,804.53 and 781.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.98 : 3,804.53 = 781.14 : x
2. Step 2: Convert to fraction form
   2,535.98/3,804.53 = 781.14/x
3. Step 3: Cross multiply
   2,535.98x = 3,804.53 × 781.14
4. Step 4: Simplify right side
   2,535.98x = 2,971,870.56
5. Step 5: Solve for x
   x = 2,971,870.56/2,535.98
6. Step 6: Final answer
   x = 1,171.88