Finding the Fourth Proportional to 978,024.12, 1,466,878.72 and 267,886.08

Step by Step Solution

1. Step 1: Write the proportion equation
   978,024.12 : 1,466,878.72 = 267,886.08 : x
2. Step 2: Convert to fraction form
   978,024.12/1,466,878.72 = 267,886.08/x
3. Step 3: Cross multiply
   978,024.12x = 1,466,878.72 × 267,886.08
4. Step 4: Simplify right side
   978,024.12x = 392,956,390,136.22
5. Step 5: Solve for x
   x = 392,956,390,136.22/978,024.12
6. Step 6: Final answer
   x = 401,785.99