Finding the Fourth Proportional to 284,322,384.72, 426,483,581.76 and 68,911,632.72

Step by Step Solution

1. Step 1: Write the proportion equation
   284,322,384.72 : 426,483,581.76 = 68,911,632.72 : x
2. Step 2: Convert to fraction form
   284,322,384.72/426,483,581.76 = 68,911,632.72/x
3. Step 3: Cross multiply
   284,322,384.72x = 426,483,581.76 × 68,911,632.72
4. Step 4: Simplify right side
   284,322,384.72x = 29,389,679,947,355,212
5. Step 5: Solve for x
   x = 29,389,679,947,355,212/284,322,384.72
6. Step 6: Final answer
   x = 103,367,450.21