Finding the Fourth Proportional to 12,958,087.75, 19,440,328.59 and 3,860,149.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,958,087.75 : 19,440,328.59 = 3,860,149.98 : x
2. Step 2: Convert to fraction form
   12,958,087.75/19,440,328.59 = 3,860,149.98/x
3. Step 3: Cross multiply
   12,958,087.75x = 19,440,328.59 × 3,860,149.98
4. Step 4: Simplify right side
   12,958,087.75x = 75,042,584,017,881.92
5. Step 5: Solve for x
   x = 75,042,584,017,881.92/12,958,087.75
6. Step 6: Final answer
   x = 5,791,177.33