Finding the Fourth Proportional to 31,185.74, 43,036.35 and 17,038.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,185.74 : 43,036.35 = 17,038.82 : x
2. Step 2: Convert to fraction form
   31,185.74/43,036.35 = 17,038.82/x
3. Step 3: Cross multiply
   31,185.74x = 43,036.35 × 17,038.82
4. Step 4: Simplify right side
   31,185.74x = 733,288,621.11
5. Step 5: Solve for x
   x = 733,288,621.11/31,185.74
6. Step 6: Final answer
   x = 23,513.59