Finding the Fourth Proportional to 31,187.47, 43,036.32 and 17,756.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,187.47 : 43,036.32 = 17,756.05 : x
2. Step 2: Convert to fraction form
   31,187.47/43,036.32 = 17,756.05/x
3. Step 3: Cross multiply
   31,187.47x = 43,036.32 × 17,756.05
4. Step 4: Simplify right side
   31,187.47x = 764,155,049.74
5. Step 5: Solve for x
   x = 764,155,049.74/31,187.47
6. Step 6: Final answer
   x = 24,501.99