Finding the Fourth Proportional to 91,901.12, 137,870.13 and 41,967.81

Step by Step Solution

1. Step 1: Write the proportion equation
   91,901.12 : 137,870.13 = 41,967.81 : x
2. Step 2: Convert to fraction form
   91,901.12/137,870.13 = 41,967.81/x
3. Step 3: Cross multiply
   91,901.12x = 137,870.13 × 41,967.81
4. Step 4: Simplify right side
   91,901.12x = 5,786,107,420.52
5. Step 5: Solve for x
   x = 5,786,107,420.52/91,901.12
6. Step 6: Final answer
   x = 62,960.14