Finding the Fourth Proportional to 13,078,185.96, 19,620,102.42 and 3,980,994.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,078,185.96 : 19,620,102.42 = 3,980,994.84 : x
2. Step 2: Convert to fraction form
   13,078,185.96/19,620,102.42 = 3,980,994.84/x
3. Step 3: Cross multiply
   13,078,185.96x = 19,620,102.42 × 3,980,994.84
4. Step 4: Simplify right side
   13,078,185.96x = 78,107,526,494,291.52
5. Step 5: Solve for x
   x = 78,107,526,494,291.52/13,078,185.96
6. Step 6: Final answer
   x = 5,972,351.73