Finding the Fourth Proportional to 76,829.34, 105,954.03 and 52,665.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,829.34 : 105,954.03 = 52,665.42 : x
2. Step 2: Convert to fraction form
   76,829.34/105,954.03 = 52,665.42/x
3. Step 3: Cross multiply
   76,829.34x = 105,954.03 × 52,665.42
4. Step 4: Simplify right side
   76,829.34x = 5,580,113,490.64
5. Step 5: Solve for x
   x = 5,580,113,490.64/76,829.34
6. Step 6: Final answer
   x = 72,629.98