Finding the Fourth Proportional to 1,108,748.54, 1,663,108.23 and 267,293.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,748.54 : 1,663,108.23 = 267,293.54 : x
2. Step 2: Convert to fraction form
   1,108,748.54/1,663,108.23 = 267,293.54/x
3. Step 3: Cross multiply
   1,108,748.54x = 1,663,108.23 × 267,293.54
4. Step 4: Simplify right side
   1,108,748.54x = 444,538,086,199.83
5. Step 5: Solve for x
   x = 444,538,086,199.83/1,108,748.54
6. Step 6: Final answer
   x = 400,936.80