Finding the Fourth Proportional to 30,801.84, 42,505.68 and 17,372.58

Step by Step Solution

1. Step 1: Write the proportion equation
   30,801.84 : 42,505.68 = 17,372.58 : x
2. Step 2: Convert to fraction form
   30,801.84/42,505.68 = 17,372.58/x
3. Step 3: Cross multiply
   30,801.84x = 42,505.68 × 17,372.58
4. Step 4: Simplify right side
   30,801.84x = 738,433,326.25
5. Step 5: Solve for x
   x = 738,433,326.25/30,801.84
6. Step 6: Final answer
   x = 23,973.68