Finding the Fourth Proportional to 2,933.34, 4,397.50 and 1,288.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.34 : 4,397.50 = 1,288.63 : x
2. Step 2: Convert to fraction form
   2,933.34/4,397.50 = 1,288.63/x
3. Step 3: Cross multiply
   2,933.34x = 4,397.50 × 1,288.63
4. Step 4: Simplify right side
   2,933.34x = 5,666,750.43
5. Step 5: Solve for x
   x = 5,666,750.43/2,933.34
6. Step 6: Final answer
   x = 1,931.84