Finding the Fourth Proportional to 40,080.78, 55,321.98 and 23,086.98

Step by Step Solution

1. Step 1: Write the proportion equation
   40,080.78 : 55,321.98 = 23,086.98 : x
2. Step 2: Convert to fraction form
   40,080.78/55,321.98 = 23,086.98/x
3. Step 3: Cross multiply
   40,080.78x = 55,321.98 × 23,086.98
4. Step 4: Simplify right side
   40,080.78x = 1,277,217,445.82
5. Step 5: Solve for x
   x = 1,277,217,445.82/40,080.78
6. Step 6: Final answer
   x = 31,866.08