Finding the Fourth Proportional to 76,172.76, 105,101.01 and 48,963.06

Step by Step Solution

1. Step 1: Write the proportion equation
   76,172.76 : 105,101.01 = 48,963.06 : x
2. Step 2: Convert to fraction form
   76,172.76/105,101.01 = 48,963.06/x
3. Step 3: Cross multiply
   76,172.76x = 105,101.01 × 48,963.06
4. Step 4: Simplify right side
   76,172.76x = 5,146,067,058.69
5. Step 5: Solve for x
   x = 5,146,067,058.69/76,172.76
6. Step 6: Final answer
   x = 67,557.84