Finding the Fourth Proportional to 89,376.36, 123,338.79 and 53,566.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,376.36 : 123,338.79 = 53,566.35 : x
2. Step 2: Convert to fraction form
   89,376.36/123,338.79 = 53,566.35/x
3. Step 3: Cross multiply
   89,376.36x = 123,338.79 × 53,566.35
4. Step 4: Simplify right side
   89,376.36x = 6,606,808,793.72
5. Step 5: Solve for x
   x = 6,606,808,793.72/89,376.36
6. Step 6: Final answer
   x = 73,921.21