Finding the Fourth Proportional to 77,698.60, 107,196.42 and 45,851.56

Step by Step Solution

1. Step 1: Write the proportion equation
   77,698.60 : 107,196.42 = 45,851.56 : x
2. Step 2: Convert to fraction form
   77,698.60/107,196.42 = 45,851.56/x
3. Step 3: Cross multiply
   77,698.60x = 107,196.42 × 45,851.56
4. Step 4: Simplify right side
   77,698.60x = 4,915,123,083.42
5. Step 5: Solve for x
   x = 4,915,123,083.42/77,698.60
6. Step 6: Final answer
   x = 63,258.84