Finding the Fourth Proportional to 58,089.67, 86,965.25 and 43,162.94

Step by Step Solution

1. Step 1: Write the proportion equation
   58,089.67 : 86,965.25 = 43,162.94 : x
2. Step 2: Convert to fraction form
   58,089.67/86,965.25 = 43,162.94/x
3. Step 3: Cross multiply
   58,089.67x = 86,965.25 × 43,162.94
4. Step 4: Simplify right side
   58,089.67x = 3,753,675,869.43
5. Step 5: Solve for x
   x = 3,753,675,869.43/58,089.67
6. Step 6: Final answer
   x = 64,618.65