Finding the Fourth Proportional to 91,767.24, 137,029.32 and 72,834.84

Step by Step Solution

1. Step 1: Write the proportion equation
   91,767.24 : 137,029.32 = 72,834.84 : x
2. Step 2: Convert to fraction form
   91,767.24/137,029.32 = 72,834.84/x
3. Step 3: Cross multiply
   91,767.24x = 137,029.32 × 72,834.84
4. Step 4: Simplify right side
   91,767.24x = 9,980,508,597.51
5. Step 5: Solve for x
   x = 9,980,508,597.51/91,767.24
6. Step 6: Final answer
   x = 108,758.95