Finding the Fourth Proportional to 978,047.64, 1,466,946.72 and 378,598.68

Step by Step Solution

1. Step 1: Write the proportion equation
   978,047.64 : 1,466,946.72 = 378,598.68 : x
2. Step 2: Convert to fraction form
   978,047.64/1,466,946.72 = 378,598.68/x
3. Step 3: Cross multiply
   978,047.64x = 1,466,946.72 × 378,598.68
4. Step 4: Simplify right side
   978,047.64x = 555,384,091,822.33
5. Step 5: Solve for x
   x = 555,384,091,822.33/978,047.64
6. Step 6: Final answer
   x = 567,849.73