Finding the Fourth Proportional to 978,040.95, 1,467,498.83 and 472,406.55

Step by Step Solution

1. Step 1: Write the proportion equation
   978,040.95 : 1,467,498.83 = 472,406.55 : x
2. Step 2: Convert to fraction form
   978,040.95/1,467,498.83 = 472,406.55/x
3. Step 3: Cross multiply
   978,040.95x = 1,467,498.83 × 472,406.55
4. Step 4: Simplify right side
   978,040.95x = 693,256,057,047.30
5. Step 5: Solve for x
   x = 693,256,057,047.30/978,040.95
6. Step 6: Final answer
   x = 708,821.09