Finding the Fourth Proportional to 54,412.05, 81,631.86 and 26,345.55

Step by Step Solution

1. Step 1: Write the proportion equation
   54,412.05 : 81,631.86 = 26,345.55 : x
2. Step 2: Convert to fraction form
   54,412.05/81,631.86 = 26,345.55/x
3. Step 3: Cross multiply
   54,412.05x = 81,631.86 × 26,345.55
4. Step 4: Simplify right side
   54,412.05x = 2,150,636,249.22
5. Step 5: Solve for x
   x = 2,150,636,249.22/54,412.05
6. Step 6: Final answer
   x = 39,525.00