Finding the Fourth Proportional to 978,685,399.24, 1,467,572,920.98 and 356,467,453

Step by Step Solution

1. Step 1: Write the proportion equation
   978,685,399.24 : 1,467,572,920.98 = 356,467,453 : x
2. Step 2: Convert to fraction form
   978,685,399.24/1,467,572,920.98 = 356,467,453/x
3. Step 3: Cross multiply
   978,685,399.24x = 1,467,572,920.98 × 356,467,453
4. Step 4: Simplify right side
   978,685,399.24x = 523,141,981,233,510,848
5. Step 5: Solve for x
   x = 523,141,981,233,510,848/978,685,399.24
6. Step 6: Final answer
   x = 534,535,389.66