Finding the Fourth Proportional to 1,008,714.28, 1,392,016.63 and 549,828.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,714.28 : 1,392,016.63 = 549,828.82 : x
2. Step 2: Convert to fraction form
   1,008,714.28/1,392,016.63 = 549,828.82/x
3. Step 3: Cross multiply
   1,008,714.28x = 1,392,016.63 × 549,828.82
4. Step 4: Simplify right side
   1,008,714.28x = 765,370,861,093.28
5. Step 5: Solve for x
   x = 765,370,861,093.28/1,008,714.28
6. Step 6: Final answer
   x = 758,758.82