Finding the Fourth Proportional to 77,653.89, 116,458.31 and 30,258.42

Step by Step Solution

1. Step 1: Write the proportion equation
   77,653.89 : 116,458.31 = 30,258.42 : x
2. Step 2: Convert to fraction form
   77,653.89/116,458.31 = 30,258.42/x
3. Step 3: Cross multiply
   77,653.89x = 116,458.31 × 30,258.42
4. Step 4: Simplify right side
   77,653.89x = 3,523,844,456.47
5. Step 5: Solve for x
   x = 3,523,844,456.47/77,653.89
6. Step 6: Final answer
   x = 45,378.85