Finding the Fourth Proportional to 65,045.29, 89,790.17 and 39,559.84

Step by Step Solution

1. Step 1: Write the proportion equation
   65,045.29 : 89,790.17 = 39,559.84 : x
2. Step 2: Convert to fraction form
   65,045.29/89,790.17 = 39,559.84/x
3. Step 3: Cross multiply
   65,045.29x = 89,790.17 × 39,559.84
4. Step 4: Simplify right side
   65,045.29x = 3,552,084,758.77
5. Step 5: Solve for x
   x = 3,552,084,758.77/65,045.29
6. Step 6: Final answer
   x = 54,609.41