Finding the Fourth Proportional to 31,238.10, 43,109.34 and 17,810.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,238.10 : 43,109.34 = 17,810.63 : x
2. Step 2: Convert to fraction form
   31,238.10/43,109.34 = 17,810.63/x
3. Step 3: Cross multiply
   31,238.10x = 43,109.34 × 17,810.63
4. Step 4: Simplify right side
   31,238.10x = 767,804,288.74
5. Step 5: Solve for x
   x = 767,804,288.74/31,238.10
6. Step 6: Final answer
   x = 24,579.10