Finding the Fourth Proportional to 31,137.59, 42,970.82 and 17,710.77

Step by Step Solution

1. Step 1: Write the proportion equation
   31,137.59 : 42,970.82 = 17,710.77 : x
2. Step 2: Convert to fraction form
   31,137.59/42,970.82 = 17,710.77/x
3. Step 3: Cross multiply
   31,137.59x = 42,970.82 × 17,710.77
4. Step 4: Simplify right side
   31,137.59x = 761,046,221.18
5. Step 5: Solve for x
   x = 761,046,221.18/31,137.59
6. Step 6: Final answer
   x = 24,441.40