Finding the Fourth Proportional to 1,554.56, 2,145.48 and 933.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.56 : 2,145.48 = 933.68 : x
2. Step 2: Convert to fraction form
   1,554.56/2,145.48 = 933.68/x
3. Step 3: Cross multiply
   1,554.56x = 2,145.48 × 933.68
4. Step 4: Simplify right side
   1,554.56x = 2,003,191.77
5. Step 5: Solve for x
   x = 2,003,191.77/1,554.56
6. Step 6: Final answer
   x = 1,288.59