Finding the Fourth Proportional to 99,207,152.05, 136,906,401.76 and 54,556,002.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,207,152.05 : 136,906,401.76 = 54,556,002.82 : x
2. Step 2: Convert to fraction form
   99,207,152.05/136,906,401.76 = 54,556,002.82/x
3. Step 3: Cross multiply
   99,207,152.05x = 136,906,401.76 × 54,556,002.82
4. Step 4: Simplify right side
   99,207,152.05x = 7,469,066,040,494,612
5. Step 5: Solve for x
   x = 7,469,066,040,494,612/99,207,152.05
6. Step 6: Final answer
   x = 75,287,576.41