Finding the Fourth Proportional to 59,590.72, 89,395.80 and 18,028

Step by Step Solution

1. Step 1: Write the proportion equation
   59,590.72 : 89,395.80 = 18,028 : x
2. Step 2: Convert to fraction form
   59,590.72/89,395.80 = 18,028/x
3. Step 3: Cross multiply
   59,590.72x = 89,395.80 × 18,028
4. Step 4: Simplify right side
   59,590.72x = 1,611,627,482.40
5. Step 5: Solve for x
   x = 1,611,627,482.40/59,590.72
6. Step 6: Final answer
   x = 27,044.94