Finding the Fourth Proportional to 19,736.94, 29,610.03 and 13,499.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,736.94 : 29,610.03 = 13,499.89 : x
2. Step 2: Convert to fraction form
   19,736.94/29,610.03 = 13,499.89/x
3. Step 3: Cross multiply
   19,736.94x = 29,610.03 × 13,499.89
4. Step 4: Simplify right side
   19,736.94x = 399,732,147.90
5. Step 5: Solve for x
   x = 399,732,147.90/19,736.94
6. Step 6: Final answer
   x = 20,253.00