Finding the Fourth Proportional to 35,667.84, 53,485.23 and 13,172.82

Step by Step Solution

1. Step 1: Write the proportion equation
   35,667.84 : 53,485.23 = 13,172.82 : x
2. Step 2: Convert to fraction form
   35,667.84/53,485.23 = 13,172.82/x
3. Step 3: Cross multiply
   35,667.84x = 53,485.23 × 13,172.82
4. Step 4: Simplify right side
   35,667.84x = 704,551,307.45
5. Step 5: Solve for x
   x = 704,551,307.45/35,667.84
6. Step 6: Final answer
   x = 19,753.13