Finding the Fourth Proportional to 1,076.31, 1,484.88 and 762.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.31 : 1,484.88 = 762.12 : x
2. Step 2: Convert to fraction form
   1,076.31/1,484.88 = 762.12/x
3. Step 3: Cross multiply
   1,076.31x = 1,484.88 × 762.12
4. Step 4: Simplify right side
   1,076.31x = 1,131,656.75
5. Step 5: Solve for x
   x = 1,131,656.75/1,076.31
6. Step 6: Final answer
   x = 1,051.42