Finding the Fourth Proportional to 21,463,904.55, 29,617,499.82 and 14,509,713.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,463,904.55 : 29,617,499.82 = 14,509,713.01 : x
2. Step 2: Convert to fraction form
   21,463,904.55/29,617,499.82 = 14,509,713.01/x
3. Step 3: Cross multiply
   21,463,904.55x = 29,617,499.82 × 14,509,713.01
4. Step 4: Simplify right side
   21,463,904.55x = 429,741,422,457,011.31
5. Step 5: Solve for x
   x = 429,741,422,457,011.31/21,463,904.55
6. Step 6: Final answer
   x = 20,021,586.54