Finding the Fourth Proportional to 71,877.94, 99,188.67 and 40,046.02

Step by Step Solution

1. Step 1: Write the proportion equation
   71,877.94 : 99,188.67 = 40,046.02 : x
2. Step 2: Convert to fraction form
   71,877.94/99,188.67 = 40,046.02/x
3. Step 3: Cross multiply
   71,877.94x = 99,188.67 × 40,046.02
4. Step 4: Simplify right side
   71,877.94x = 3,972,111,462.59
5. Step 5: Solve for x
   x = 3,972,111,462.59/71,877.94
6. Step 6: Final answer
   x = 55,261.90