Finding the Fourth Proportional to 72,492.24, 108,677.88 and 50,349

Step by Step Solution

1. Step 1: Write the proportion equation
   72,492.24 : 108,677.88 = 50,349 : x
2. Step 2: Convert to fraction form
   72,492.24/108,677.88 = 50,349/x
3. Step 3: Cross multiply
   72,492.24x = 108,677.88 × 50,349
4. Step 4: Simplify right side
   72,492.24x = 5,471,822,580.12
5. Step 5: Solve for x
   x = 5,471,822,580.12/72,492.24
6. Step 6: Final answer
   x = 75,481.49