Finding the Fourth Proportional to 105,082,930.05, 145,023,407.16 and 58,682,148.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105,082,930.05 : 145,023,407.16 = 58,682,148.09 : x
2. Step 2: Convert to fraction form
   105,082,930.05/145,023,407.16 = 58,682,148.09/x
3. Step 3: Cross multiply
   105,082,930.05x = 145,023,407.16 × 58,682,148.09
4. Step 4: Simplify right side
   105,082,930.05x = 8,510,285,054,715,590
5. Step 5: Solve for x
   x = 8,510,285,054,715,590/105,082,930.05
6. Step 6: Final answer
   x = 80,986,370.01