Finding the Fourth Proportional to 2,975.76, 4,458.72 and 1,026.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,975.76 : 4,458.72 = 1,026.88 : x
2. Step 2: Convert to fraction form
   2,975.76/4,458.72 = 1,026.88/x
3. Step 3: Cross multiply
   2,975.76x = 4,458.72 × 1,026.88
4. Step 4: Simplify right side
   2,975.76x = 4,578,570.39
5. Step 5: Solve for x
   x = 4,578,570.39/2,975.76
6. Step 6: Final answer
   x = 1,538.62