Finding the Fourth Proportional to 12,059,309.58, 18,091,762.31 and 3,971,994.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059,309.58 : 18,091,762.31 = 3,971,994.99 : x
2. Step 2: Convert to fraction form
   12,059,309.58/18,091,762.31 = 3,971,994.99/x
3. Step 3: Cross multiply
   12,059,309.58x = 18,091,762.31 × 3,971,994.99
4. Step 4: Simplify right side
   12,059,309.58x = 71,860,389,255,590.83
5. Step 5: Solve for x
   x = 71,860,389,255,590.83/12,059,309.58
6. Step 6: Final answer
   x = 5,958,914.05