Finding the Fourth Proportional to 65,175.09, 89,892.67 and 43,689.07

Step by Step Solution

1. Step 1: Write the proportion equation
   65,175.09 : 89,892.67 = 43,689.07 : x
2. Step 2: Convert to fraction form
   65,175.09/89,892.67 = 43,689.07/x
3. Step 3: Cross multiply
   65,175.09x = 89,892.67 × 43,689.07
4. Step 4: Simplify right side
   65,175.09x = 3,927,327,145.02
5. Step 5: Solve for x
   x = 3,927,327,145.02/65,175.09
6. Step 6: Final answer
   x = 60,258.10