Finding the Fourth Proportional to 284,043,007.92, 426,088,770.54 and 99,794,478.72

Step by Step Solution

1. Step 1: Write the proportion equation
   284,043,007.92 : 426,088,770.54 = 99,794,478.72 : x
2. Step 2: Convert to fraction form
   284,043,007.92/426,088,770.54 = 99,794,478.72/x
3. Step 3: Cross multiply
   284,043,007.92x = 426,088,770.54 × 99,794,478.72
4. Step 4: Simplify right side
   284,043,007.92x = 42,521,306,744,484,992
5. Step 5: Solve for x
   x = 42,521,306,744,484,992/284,043,007.92
6. Step 6: Final answer
   x = 149,700,241.02