Finding the Fourth Proportional to 91,902.12, 137,871.63 and 41,968.81

Step by Step Solution

1. Step 1: Write the proportion equation
   91,902.12 : 137,871.63 = 41,968.81 : x
2. Step 2: Convert to fraction form
   91,902.12/137,871.63 = 41,968.81/x
3. Step 3: Cross multiply
   91,902.12x = 137,871.63 × 41,968.81
4. Step 4: Simplify right side
   91,902.12x = 5,786,308,243.86
5. Step 5: Solve for x
   x = 5,786,308,243.86/91,902.12
6. Step 6: Final answer
   x = 62,961.64