Finding the Fourth Proportional to 89,554.23, 123,543.39 and 53,682

Step by Step Solution

1. Step 1: Write the proportion equation
   89,554.23 : 123,543.39 = 53,682 : x
2. Step 2: Convert to fraction form
   89,554.23/123,543.39 = 53,682/x
3. Step 3: Cross multiply
   89,554.23x = 123,543.39 × 53,682
4. Step 4: Simplify right side
   89,554.23x = 6,632,056,261.98
5. Step 5: Solve for x
   x = 6,632,056,261.98/89,554.23
6. Step 6: Final answer
   x = 74,056.31