Finding the Fourth Proportional to 73,858.82, 110,778.50 and 20,554.34

Step by Step Solution

1. Step 1: Write the proportion equation
   73,858.82 : 110,778.50 = 20,554.34 : x
2. Step 2: Convert to fraction form
   73,858.82/110,778.50 = 20,554.34/x
3. Step 3: Cross multiply
   73,858.82x = 110,778.50 × 20,554.34
4. Step 4: Simplify right side
   73,858.82x = 2,276,978,953.69
5. Step 5: Solve for x
   x = 2,276,978,953.69/73,858.82
6. Step 6: Final answer
   x = 30,828.80