Finding the Fourth Proportional to 35,667.34, 53,484.48 and 13,172.36

Step by Step Solution

1. Step 1: Write the proportion equation
   35,667.34 : 53,484.48 = 13,172.36 : x
2. Step 2: Convert to fraction form
   35,667.34/53,484.48 = 13,172.36/x
3. Step 3: Cross multiply
   35,667.34x = 53,484.48 × 13,172.36
4. Step 4: Simplify right side
   35,667.34x = 704,516,824.97
5. Step 5: Solve for x
   x = 704,516,824.97/35,667.34
6. Step 6: Final answer
   x = 19,752.44