Finding the Fourth Proportional to 54,436.05, 81,667.98 and 26,369.55

Step by Step Solution

1. Step 1: Write the proportion equation
   54,436.05 : 81,667.98 = 26,369.55 : x
2. Step 2: Convert to fraction form
   54,436.05/81,667.98 = 26,369.55/x
3. Step 3: Cross multiply
   54,436.05x = 81,667.98 × 26,369.55
4. Step 4: Simplify right side
   54,436.05x = 2,153,547,882.01
5. Step 5: Solve for x
   x = 2,153,547,882.01/54,436.05
6. Step 6: Final answer
   x = 39,561.06