Finding the Fourth Proportional to 49,172, 67,857.72 and 26,816

Step by Step Solution

1. Step 1: Write the proportion equation
   49,172 : 67,857.72 = 26,816 : x
2. Step 2: Convert to fraction form
   49,172/67,857.72 = 26,816/x
3. Step 3: Cross multiply
   49,172x = 67,857.72 × 26,816
4. Step 4: Simplify right side
   49,172x = 1,819,672,619.52
5. Step 5: Solve for x
   x = 1,819,672,619.52/49,172
6. Step 6: Final answer
   x = 37,006.28