Finding the Fourth Proportional to 76,188.67, 105,105.47 and 49,339.82

Step by Step Solution

1. Step 1: Write the proportion equation
   76,188.67 : 105,105.47 = 49,339.82 : x
2. Step 2: Convert to fraction form
   76,188.67/105,105.47 = 49,339.82/x
3. Step 3: Cross multiply
   76,188.67x = 105,105.47 × 49,339.82
4. Step 4: Simplify right side
   76,188.67x = 5,185,884,986.88
5. Step 5: Solve for x
   x = 5,185,884,986.88/76,188.67
6. Step 6: Final answer
   x = 68,066.36