Finding the Fourth Proportional to 21,459,314.31, 29,613,443.18 and 11,801,522.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,459,314.31 : 29,613,443.18 = 11,801,522.31 : x
2. Step 2: Convert to fraction form
   21,459,314.31/29,613,443.18 = 11,801,522.31/x
3. Step 3: Cross multiply
   21,459,314.31x = 29,613,443.18 × 11,801,522.31
4. Step 4: Simplify right side
   21,459,314.31x = 349,483,710,305,679.75
5. Step 5: Solve for x
   x = 349,483,710,305,679.75/21,459,314.31
6. Step 6: Final answer
   x = 16,285,874.99