Finding the Fourth Proportional to 89,433.08, 123,375.12 and 64,297.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89,433.08 : 123,375.12 = 64,297.16 : x
2. Step 2: Convert to fraction form
   89,433.08/123,375.12 = 64,297.16/x
3. Step 3: Cross multiply
   89,433.08x = 123,375.12 × 64,297.16
4. Step 4: Simplify right side
   89,433.08x = 7,932,669,830.66
5. Step 5: Solve for x
   x = 7,932,669,830.66/89,433.08
6. Step 6: Final answer
   x = 88,699.50