Finding the Fourth Proportional to 31,060.62, 42,867.63 and 17,636.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,060.62 : 42,867.63 = 17,636.31 : x
2. Step 2: Convert to fraction form
   31,060.62/42,867.63 = 17,636.31/x
3. Step 3: Cross multiply
   31,060.62x = 42,867.63 × 17,636.31
4. Step 4: Simplify right side
   31,060.62x = 756,026,811.65
5. Step 5: Solve for x
   x = 756,026,811.65/31,060.62
6. Step 6: Final answer
   x = 24,340.36