Finding the Fourth Proportional to 39,928.50, 55,101.58 and 22,023.98

Step by Step Solution

1. Step 1: Write the proportion equation
   39,928.50 : 55,101.58 = 22,023.98 : x
2. Step 2: Convert to fraction form
   39,928.50/55,101.58 = 22,023.98/x
3. Step 3: Cross multiply
   39,928.50x = 55,101.58 × 22,023.98
4. Step 4: Simplify right side
   39,928.50x = 1,213,556,095.89
5. Step 5: Solve for x
   x = 1,213,556,095.89/39,928.50
6. Step 6: Final answer
   x = 30,393.23