Finding the Fourth Proportional to 1,351.56, 1,864.83 and 762.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351.56 : 1,864.83 = 762.10 : x
2. Step 2: Convert to fraction form
   1,351.56/1,864.83 = 762.10/x
3. Step 3: Cross multiply
   1,351.56x = 1,864.83 × 762.10
4. Step 4: Simplify right side
   1,351.56x = 1,421,185.14
5. Step 5: Solve for x
   x = 1,421,185.14/1,351.56
6. Step 6: Final answer
   x = 1,051.51