Finding the Fourth Proportional to 1,094.01, 1,510.05 and 668.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.01 : 1,510.05 = 668.79 : x
2. Step 2: Convert to fraction form
   1,094.01/1,510.05 = 668.79/x
3. Step 3: Cross multiply
   1,094.01x = 1,510.05 × 668.79
4. Step 4: Simplify right side
   1,094.01x = 1,009,906.34
5. Step 5: Solve for x
   x = 1,009,906.34/1,094.01
6. Step 6: Final answer
   x = 923.12