Finding the Fourth Proportional to 1,090.63, 1,501.94 and 758.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090.63 : 1,501.94 = 758.46 : x
2. Step 2: Convert to fraction form
   1,090.63/1,501.94 = 758.46/x
3. Step 3: Cross multiply
   1,090.63x = 1,501.94 × 758.46
4. Step 4: Simplify right side
   1,090.63x = 1,139,168.94
5. Step 5: Solve for x
   x = 1,139,168.94/1,090.63
6. Step 6: Final answer
   x = 1,044.50