Finding the Fourth Proportional to 12,958,085.25, 19,440,324.83 and 3,860,147.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,958,085.25 : 19,440,324.83 = 3,860,147.48 : x
2. Step 2: Convert to fraction form
   12,958,085.25/19,440,324.83 = 3,860,147.48/x
3. Step 3: Cross multiply
   12,958,085.25x = 19,440,324.83 × 3,860,147.48
4. Step 4: Simplify right side
   12,958,085.25x = 75,042,520,815,354.67
5. Step 5: Solve for x
   x = 75,042,520,815,354.67/12,958,085.25
6. Step 6: Final answer
   x = 5,791,173.57