Finding the Fourth Proportional to 76,745.02, 105,906.53 and 42,753.46

Step by Step Solution

1. Step 1: Write the proportion equation
   76,745.02 : 105,906.53 = 42,753.46 : x
2. Step 2: Convert to fraction form
   76,745.02/105,906.53 = 42,753.46/x
3. Step 3: Cross multiply
   76,745.02x = 105,906.53 × 42,753.46
4. Step 4: Simplify right side
   76,745.02x = 4,527,869,850.79
5. Step 5: Solve for x
   x = 4,527,869,850.79/76,745.02
6. Step 6: Final answer
   x = 58,998.88