Finding the Fourth Proportional to 1,094.30, 1,507.56 and 762.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.30 : 1,507.56 = 762.12 : x
2. Step 2: Convert to fraction form
   1,094.30/1,507.56 = 762.12/x
3. Step 3: Cross multiply
   1,094.30x = 1,507.56 × 762.12
4. Step 4: Simplify right side
   1,094.30x = 1,148,941.63
5. Step 5: Solve for x
   x = 1,148,941.63/1,094.30
6. Step 6: Final answer
   x = 1,049.94