Finding the Fourth Proportional to 39,221.34, 58,798.86 and 17,017.98

Step by Step Solution

1. Step 1: Write the proportion equation
   39,221.34 : 58,798.86 = 17,017.98 : x
2. Step 2: Convert to fraction form
   39,221.34/58,798.86 = 17,017.98/x
3. Step 3: Cross multiply
   39,221.34x = 58,798.86 × 17,017.98
4. Step 4: Simplify right side
   39,221.34x = 1,000,637,823.50
5. Step 5: Solve for x
   x = 1,000,637,823.50/39,221.34
6. Step 6: Final answer
   x = 25,512.59