Finding the Fourth Proportional to 72,365.16, 108,406.44 and 49,871.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,365.16 : 108,406.44 = 49,871.82 : x
2. Step 2: Convert to fraction form
   72,365.16/108,406.44 = 49,871.82/x
3. Step 3: Cross multiply
   72,365.16x = 108,406.44 × 49,871.82
4. Step 4: Simplify right side
   72,365.16x = 5,406,426,462.52
5. Step 5: Solve for x
   x = 5,406,426,462.52/72,365.16
6. Step 6: Final answer
   x = 74,710.35