Finding the Fourth Proportional to 19,548.27, 29,305.89 and 13,290.71

Step by Step Solution

1. Step 1: Write the proportion equation
   19,548.27 : 29,305.89 = 13,290.71 : x
2. Step 2: Convert to fraction form
   19,548.27/29,305.89 = 13,290.71/x
3. Step 3: Cross multiply
   19,548.27x = 29,305.89 × 13,290.71
4. Step 4: Simplify right side
   19,548.27x = 389,495,938.75
5. Step 5: Solve for x
   x = 389,495,938.75/19,548.27
6. Step 6: Final answer
   x = 19,924.83