Finding the Fourth Proportional to 12,059,308.58, 18,091,760.81 and 3,971,993.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059,308.58 : 18,091,760.81 = 3,971,993.99 : x
2. Step 2: Convert to fraction form
   12,059,308.58/18,091,760.81 = 3,971,993.99/x
3. Step 3: Cross multiply
   12,059,308.58x = 18,091,760.81 × 3,971,993.99
4. Step 4: Simplify right side
   12,059,308.58x = 71,860,365,095,518.75
5. Step 5: Solve for x
   x = 71,860,365,095,518.75/12,059,308.58
6. Step 6: Final answer
   x = 5,958,912.54