Finding the Fourth Proportional to 1,141.23, 1,573.86 and 762.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.23 : 1,573.86 = 762.45 : x
2. Step 2: Convert to fraction form
   1,141.23/1,573.86 = 762.45/x
3. Step 3: Cross multiply
   1,141.23x = 1,573.86 × 762.45
4. Step 4: Simplify right side
   1,141.23x = 1,199,989.56
5. Step 5: Solve for x
   x = 1,199,989.56/1,141.23
6. Step 6: Final answer
   x = 1,051.49