Finding the Fourth Proportional to 76,484.79, 105,512.22 and 49,635.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,484.79 : 105,512.22 = 49,635.72 : x
2. Step 2: Convert to fraction form
   76,484.79/105,512.22 = 49,635.72/x
3. Step 3: Cross multiply
   76,484.79x = 105,512.22 × 49,635.72
4. Step 4: Simplify right side
   76,484.79x = 5,237,175,008.50
5. Step 5: Solve for x
   x = 5,237,175,008.50/76,484.79
6. Step 6: Final answer
   x = 68,473.42