Finding the Fourth Proportional to 61,145.31, 91,711.81 and 16,776.52

Step by Step Solution

1. Step 1: Write the proportion equation
   61,145.31 : 91,711.81 = 16,776.52 : x
2. Step 2: Convert to fraction form
   61,145.31/91,711.81 = 16,776.52/x
3. Step 3: Cross multiply
   61,145.31x = 91,711.81 × 16,776.52
4. Step 4: Simplify right side
   61,145.31x = 1,538,605,014.70
5. Step 5: Solve for x
   x = 1,538,605,014.70/61,145.31
6. Step 6: Final answer
   x = 25,163.09