Finding the Fourth Proportional to 21,945,578.76, 32,906,367.90 and 17,425,662.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,945,578.76 : 32,906,367.90 = 17,425,662.12 : x
2. Step 2: Convert to fraction form
   21,945,578.76/32,906,367.90 = 17,425,662.12/x
3. Step 3: Cross multiply
   21,945,578.76x = 32,906,367.90 × 17,425,662.12
4. Step 4: Simplify right side
   21,945,578.76x = 573,415,248,621,814
5. Step 5: Solve for x
   x = 573,415,248,621,814/21,945,578.76
6. Step 6: Final answer
   x = 26,128,964.51