Finding the Fourth Proportional to 57,748.32, 86,630.69 and 17,770.62

Step by Step Solution

1. Step 1: Write the proportion equation
   57,748.32 : 86,630.69 = 17,770.62 : x
2. Step 2: Convert to fraction form
   57,748.32/86,630.69 = 17,770.62/x
3. Step 3: Cross multiply
   57,748.32x = 86,630.69 × 17,770.62
4. Step 4: Simplify right side
   57,748.32x = 1,539,481,072.33
5. Step 5: Solve for x
   x = 1,539,481,072.33/57,748.32
6. Step 6: Final answer
   x = 26,658.46