Finding the Fourth Proportional to 21,401,008.56, 32,082,617.16 and 16,374,757.68

Step by Step Solution

1. Step 1: Write the proportion equation
   21,401,008.56 : 32,082,617.16 = 16,374,757.68 : x
2. Step 2: Convert to fraction form
   21,401,008.56/32,082,617.16 = 16,374,757.68/x
3. Step 3: Cross multiply
   21,401,008.56x = 32,082,617.16 × 16,374,757.68
4. Step 4: Simplify right side
   21,401,008.56x = 525,345,081,735,209.81
5. Step 5: Solve for x
   x = 525,345,081,735,209.81/21,401,008.56
6. Step 6: Final answer
   x = 24,547,678.69