Finding the Fourth Proportional to 39,877.86, 55,028.25 and 23,111.94

Step by Step Solution

1. Step 1: Write the proportion equation
   39,877.86 : 55,028.25 = 23,111.94 : x
2. Step 2: Convert to fraction form
   39,877.86/55,028.25 = 23,111.94/x
3. Step 3: Cross multiply
   39,877.86x = 55,028.25 × 23,111.94
4. Step 4: Simplify right side
   39,877.86x = 1,271,809,612.31
5. Step 5: Solve for x
   x = 1,271,809,612.31/39,877.86
6. Step 6: Final answer
   x = 31,892.62