Finding the Fourth Proportional to 89,657.80, 134,447.82 and 30,477.60

Step by Step Solution

1. Step 1: Write the proportion equation
   89,657.80 : 134,447.82 = 30,477.60 : x
2. Step 2: Convert to fraction form
   89,657.80/134,447.82 = 30,477.60/x
3. Step 3: Cross multiply
   89,657.80x = 134,447.82 × 30,477.60
4. Step 4: Simplify right side
   89,657.80x = 4,097,646,878.83
5. Step 5: Solve for x
   x = 4,097,646,878.83/89,657.80
6. Step 6: Final answer
   x = 45,703.18