Finding the Fourth Proportional to 298,114,916.00, 447,138,162.46 and 79,782,290.31

Step by Step Solution

1. Step 1: Write the proportion equation
   298,114,916.00 : 447,138,162.46 = 79,782,290.31 : x
2. Step 2: Convert to fraction form
   298,114,916.00/447,138,162.46 = 79,782,290.31/x
3. Step 3: Cross multiply
   298,114,916.00x = 447,138,162.46 × 79,782,290.31
4. Step 4: Simplify right side
   298,114,916.00x = 35,673,706,687,840,160
5. Step 5: Solve for x
   x = 35,673,706,687,840,160/298,114,916.00
6. Step 6: Final answer
   x = 119,664,279.69