Finding the Fourth Proportional to 21,404,461.28, 29,529,748.56 and 12,232,183.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404,461.28 : 29,529,748.56 = 12,232,183.52 : x
2. Step 2: Convert to fraction form
   21,404,461.28/29,529,748.56 = 12,232,183.52/x
3. Step 3: Cross multiply
   21,404,461.28x = 29,529,748.56 × 12,232,183.52
4. Step 4: Simplify right side
   21,404,461.28x = 361,213,303,685,375.69
5. Step 5: Solve for x
   x = 361,213,303,685,375.69/21,404,461.28
6. Step 6: Final answer
   x = 16,875,608.27