Finding the Fourth Proportional to 978,049.10, 1,466,916.24 and 267,911.12

Step by Step Solution

1. Step 1: Write the proportion equation
   978,049.10 : 1,466,916.24 = 267,911.12 : x
2. Step 2: Convert to fraction form
   978,049.10/1,466,916.24 = 267,911.12/x
3. Step 3: Cross multiply
   978,049.10x = 1,466,916.24 × 267,911.12
4. Step 4: Simplify right side
   978,049.10x = 393,003,172,804.59
5. Step 5: Solve for x
   x = 393,003,172,804.59/978,049.10
6. Step 6: Final answer
   x = 401,823.56