Finding the Fourth Proportional to 70,667.88, 97,521.72 and 38,836.80

Step by Step Solution

1. Step 1: Write the proportion equation
   70,667.88 : 97,521.72 = 38,836.80 : x
2. Step 2: Convert to fraction form
   70,667.88/97,521.72 = 38,836.80/x
3. Step 3: Cross multiply
   70,667.88x = 97,521.72 × 38,836.80
4. Step 4: Simplify right side
   70,667.88x = 3,787,431,535.30
5. Step 5: Solve for x
   x = 3,787,431,535.30/70,667.88
6. Step 6: Final answer
   x = 53,594.81