Finding the Fourth Proportional to 31,776.65, 43,850.28 and 17,436.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,776.65 : 43,850.28 = 17,436.15 : x
2. Step 2: Convert to fraction form
   31,776.65/43,850.28 = 17,436.15/x
3. Step 3: Cross multiply
   31,776.65x = 43,850.28 × 17,436.15
4. Step 4: Simplify right side
   31,776.65x = 764,580,059.62
5. Step 5: Solve for x
   x = 764,580,059.62/31,776.65
6. Step 6: Final answer
   x = 24,061.07