Finding the Fourth Proportional to 1,554.32, 2,333.43 and 1,008.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.32 : 2,333.43 = 1,008.78 : x
2. Step 2: Convert to fraction form
   1,554.32/2,333.43 = 1,008.78/x
3. Step 3: Cross multiply
   1,554.32x = 2,333.43 × 1,008.78
4. Step 4: Simplify right side
   1,554.32x = 2,353,917.52
5. Step 5: Solve for x
   x = 2,353,917.52/1,554.32
6. Step 6: Final answer
   x = 1,514.44