Finding the Fourth Proportional to 89,055.68, 133,410.59 and 79,591.64

Step by Step Solution

1. Step 1: Write the proportion equation
   89,055.68 : 133,410.59 = 79,591.64 : x
2. Step 2: Convert to fraction form
   89,055.68/133,410.59 = 79,591.64/x
3. Step 3: Cross multiply
   89,055.68x = 133,410.59 × 79,591.64
4. Step 4: Simplify right side
   89,055.68x = 10,618,367,253.51
5. Step 5: Solve for x
   x = 10,618,367,253.51/89,055.68
6. Step 6: Final answer
   x = 119,232.90