Finding the Fourth Proportional to 70,697, 97,564.14 and 38,868.20

Step by Step Solution

1. Step 1: Write the proportion equation
   70,697 : 97,564.14 = 38,868.20 : x
2. Step 2: Convert to fraction form
   70,697/97,564.14 = 38,868.20/x
3. Step 3: Cross multiply
   70,697x = 97,564.14 × 38,868.20
4. Step 4: Simplify right side
   70,697x = 3,792,142,506.35
5. Step 5: Solve for x
   x = 3,792,142,506.35/70,697
6. Step 6: Final answer
   x = 53,639.37