Finding the Fourth Proportional to 21,410,016.22, 29,523,488.92 and 12,706,507.33

Step by Step Solution

1. Step 1: Write the proportion equation
   21,410,016.22 : 29,523,488.92 = 12,706,507.33 : x
2. Step 2: Convert to fraction form
   21,410,016.22/29,523,488.92 = 12,706,507.33/x
3. Step 3: Cross multiply
   21,410,016.22x = 29,523,488.92 × 12,706,507.33
4. Step 4: Simplify right side
   21,410,016.22x = 375,140,428,263,578.81
5. Step 5: Solve for x
   x = 375,140,428,263,578.81/21,410,016.22
6. Step 6: Final answer
   x = 17,521,725.55