Finding the Fourth Proportional to 21,459,315.31, 29,613,444.55 and 11,801,523.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,459,315.31 : 29,613,444.55 = 11,801,523.31 : x
2. Step 2: Convert to fraction form
   21,459,315.31/29,613,444.55 = 11,801,523.31/x
3. Step 3: Cross multiply
   21,459,315.31x = 29,613,444.55 × 11,801,523.31
4. Step 4: Simplify right side
   21,459,315.31x = 349,483,756,146,217.50
5. Step 5: Solve for x
   x = 349,483,756,146,217.50/21,459,315.31
6. Step 6: Final answer
   x = 16,285,876.37