Finding the Fourth Proportional to 68,373.72, 94,381.20 and 40,103.10

Step by Step Solution

1. Step 1: Write the proportion equation
   68,373.72 : 94,381.20 = 40,103.10 : x
2. Step 2: Convert to fraction form
   68,373.72/94,381.20 = 40,103.10/x
3. Step 3: Cross multiply
   68,373.72x = 94,381.20 × 40,103.10
4. Step 4: Simplify right side
   68,373.72x = 3,784,978,701.72
5. Step 5: Solve for x
   x = 3,784,978,701.72/68,373.72
6. Step 6: Final answer
   x = 55,357.21