Finding the Fourth Proportional to 31,526.15, 43,506.38 and 17,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,526.15 : 43,506.38 = 17,379.50 : x
2. Step 2: Convert to fraction form
   31,526.15/43,506.38 = 17,379.50/x
3. Step 3: Cross multiply
   31,526.15x = 43,506.38 × 17,379.50
4. Step 4: Simplify right side
   31,526.15x = 756,119,055.10
5. Step 5: Solve for x
   x = 756,119,055.10/31,526.15
6. Step 6: Final answer
   x = 23,983.87