Finding the Fourth Proportional to 1,933.10, 2,897.68 and 762.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.10 : 2,897.68 = 762.34 : x
2. Step 2: Convert to fraction form
   1,933.10/2,897.68 = 762.34/x
3. Step 3: Cross multiply
   1,933.10x = 2,897.68 × 762.34
4. Step 4: Simplify right side
   1,933.10x = 2,209,017.37
5. Step 5: Solve for x
   x = 2,209,017.37/1,933.10
6. Step 6: Final answer
   x = 1,142.73