Finding the Fourth Proportional to 39,074.86, 58,533.78 and 17,985.43

Step by Step Solution

1. Step 1: Write the proportion equation
   39,074.86 : 58,533.78 = 17,985.43 : x
2. Step 2: Convert to fraction form
   39,074.86/58,533.78 = 17,985.43/x
3. Step 3: Cross multiply
   39,074.86x = 58,533.78 × 17,985.43
4. Step 4: Simplify right side
   39,074.86x = 1,052,754,910.16
5. Step 5: Solve for x
   x = 1,052,754,910.16/39,074.86
6. Step 6: Final answer
   x = 26,942.00