Finding the Fourth Proportional to 31,525.56, 43,484.58 and 18,950.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,525.56 : 43,484.58 = 18,950.31 : x
2. Step 2: Convert to fraction form
   31,525.56/43,484.58 = 18,950.31/x
3. Step 3: Cross multiply
   31,525.56x = 43,484.58 × 18,950.31
4. Step 4: Simplify right side
   31,525.56x = 824,046,271.22
5. Step 5: Solve for x
   x = 824,046,271.22/31,525.56
6. Step 6: Final answer
   x = 26,138.99