Finding the Fourth Proportional to 1,070.16, 1,475.82 and 676.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070.16 : 1,475.82 = 676.50 : x
2. Step 2: Convert to fraction form
   1,070.16/1,475.82 = 676.50/x
3. Step 3: Cross multiply
   1,070.16x = 1,475.82 × 676.50
4. Step 4: Simplify right side
   1,070.16x = 998,392.23
5. Step 5: Solve for x
   x = 998,392.23/1,070.16
6. Step 6: Final answer
   x = 932.94