Finding the Fourth Proportional to 72,141.84, 108,101.12 and 49,998.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,141.84 : 108,101.12 = 49,998.47 : x
2. Step 2: Convert to fraction form
   72,141.84/108,101.12 = 49,998.47/x
3. Step 3: Cross multiply
   72,141.84x = 108,101.12 × 49,998.47
4. Step 4: Simplify right side
   72,141.84x = 5,404,889,814.79
5. Step 5: Solve for x
   x = 5,404,889,814.79/72,141.84
6. Step 6: Final answer
   x = 74,920.32