Finding the Fourth Proportional to 1,803.34, 2,703.12 and 762.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803.34 : 2,703.12 = 762.46 : x
2. Step 2: Convert to fraction form
   1,803.34/2,703.12 = 762.46/x
3. Step 3: Cross multiply
   1,803.34x = 2,703.12 × 762.46
4. Step 4: Simplify right side
   1,803.34x = 2,061,020.88
5. Step 5: Solve for x
   x = 2,061,020.88/1,803.34
6. Step 6: Final answer
   x = 1,142.89