Finding the Fourth Proportional to 116,148.72, 160,297.32 and 65,175.21

Step by Step Solution

1. Step 1: Write the proportion equation
   116,148.72 : 160,297.32 = 65,175.21 : x
2. Step 2: Convert to fraction form
   116,148.72/160,297.32 = 65,175.21/x
3. Step 3: Cross multiply
   116,148.72x = 160,297.32 × 65,175.21
4. Step 4: Simplify right side
   116,148.72x = 10,447,411,493.44
5. Step 5: Solve for x
   x = 10,447,411,493.44/116,148.72
6. Step 6: Final answer
   x = 89,948.57