Finding the Fourth Proportional to 1,108,654.79, 1,662,967.61 and 267,199.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,654.79 : 1,662,967.61 = 267,199.25 : x
2. Step 2: Convert to fraction form
   1,108,654.79/1,662,967.61 = 267,199.25/x
3. Step 3: Cross multiply
   1,108,654.79x = 1,662,967.61 × 267,199.25
4. Step 4: Simplify right side
   1,108,654.79x = 444,343,696,830.30
5. Step 5: Solve for x
   x = 444,343,696,830.30/1,108,654.79
6. Step 6: Final answer
   x = 400,795.36