Finding the Fourth Proportional to 31,830.34, 43,926.56 and 17,490.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,830.34 : 43,926.56 = 17,490.37 : x
2. Step 2: Convert to fraction form
   31,830.34/43,926.56 = 17,490.37/x
3. Step 3: Cross multiply
   31,830.34x = 43,926.56 × 17,490.37
4. Step 4: Simplify right side
   31,830.34x = 768,291,787.23
5. Step 5: Solve for x
   x = 768,291,787.23/31,830.34
6. Step 6: Final answer
   x = 24,137.09