Finding the Fourth Proportional to 76,608.53, 105,711.71 and 42,611.48

Step by Step Solution

1. Step 1: Write the proportion equation
   76,608.53 : 105,711.71 = 42,611.48 : x
2. Step 2: Convert to fraction form
   76,608.53/105,711.71 = 42,611.48/x
3. Step 3: Cross multiply
   76,608.53x = 105,711.71 × 42,611.48
4. Step 4: Simplify right side
   76,608.53x = 4,504,531,674.81
5. Step 5: Solve for x
   x = 4,504,531,674.81/76,608.53
6. Step 6: Final answer
   x = 58,799.35