Finding the Fourth Proportional to 31,137.43, 42,970.60 and 17,710.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,137.43 : 42,970.60 = 17,710.62 : x
2. Step 2: Convert to fraction form
   31,137.43/42,970.60 = 17,710.62/x
3. Step 3: Cross multiply
   31,137.43x = 42,970.60 × 17,710.62
4. Step 4: Simplify right side
   31,137.43x = 761,035,967.77
5. Step 5: Solve for x
   x = 761,035,967.77/31,137.43
6. Step 6: Final answer
   x = 24,441.19