Finding the Fourth Proportional to 59,428.09, 89,144.16 and 21,997.54

Step by Step Solution

1. Step 1: Write the proportion equation
   59,428.09 : 89,144.16 = 21,997.54 : x
2. Step 2: Convert to fraction form
   59,428.09/89,144.16 = 21,997.54/x
3. Step 3: Cross multiply
   59,428.09x = 89,144.16 × 21,997.54
4. Step 4: Simplify right side
   59,428.09x = 1,960,952,225.37
5. Step 5: Solve for x
   x = 1,960,952,225.37/59,428.09
6. Step 6: Final answer
   x = 32,997.06