Finding the Fourth Proportional to 144,585,996, 199,528,910.82 and 78,506,622.06

Step by Step Solution

1. Step 1: Write the proportion equation
   144,585,996 : 199,528,910.82 = 78,506,622.06 : x
2. Step 2: Convert to fraction form
   144,585,996/199,528,910.82 = 78,506,622.06/x
3. Step 3: Cross multiply
   144,585,996x = 199,528,910.82 × 78,506,622.06
4. Step 4: Simplify right side
   144,585,996x = 15,664,340,791,789,184
5. Step 5: Solve for x
   x = 15,664,340,791,789,184/144,585,996
6. Step 6: Final answer
   x = 108,339,266.77