Finding the Fourth Proportional to 39,085.50, 58,706.72 and 23,321.30

Step by Step Solution

1. Step 1: Write the proportion equation
   39,085.50 : 58,706.72 = 23,321.30 : x
2. Step 2: Convert to fraction form
   39,085.50/58,706.72 = 23,321.30/x
3. Step 3: Cross multiply
   39,085.50x = 58,706.72 × 23,321.30
4. Step 4: Simplify right side
   39,085.50x = 1,369,116,971.08
5. Step 5: Solve for x
   x = 1,369,116,971.08/39,085.50
6. Step 6: Final answer
   x = 35,028.77