Finding the Fourth Proportional to 40,090.73, 55,320.36 and 23,100.53

Step by Step Solution

1. Step 1: Write the proportion equation
   40,090.73 : 55,320.36 = 23,100.53 : x
2. Step 2: Convert to fraction form
   40,090.73/55,320.36 = 23,100.53/x
3. Step 3: Cross multiply
   40,090.73x = 55,320.36 × 23,100.53
4. Step 4: Simplify right side
   40,090.73x = 1,277,929,692.73
5. Step 5: Solve for x
   x = 1,277,929,692.73/40,090.73
6. Step 6: Final answer
   x = 31,875.94