Finding the Fourth Proportional to 21,410,131.81, 29,546,014.38 and 11,620,579.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,410,131.81 : 29,546,014.38 = 11,620,579.59 : x
2. Step 2: Convert to fraction form
   21,410,131.81/29,546,014.38 = 11,620,579.59/x
3. Step 3: Cross multiply
   21,410,131.81x = 29,546,014.38 × 11,620,579.59
4. Step 4: Simplify right side
   21,410,131.81x = 343,341,811,670,074.50
5. Step 5: Solve for x
   x = 343,341,811,670,074.50/21,410,131.81
6. Step 6: Final answer
   x = 16,036,417.46