Finding the Fourth Proportional to 91,255.82, 125,931.71 and 50,970.17

Step by Step Solution

1. Step 1: Write the proportion equation
   91,255.82 : 125,931.71 = 50,970.17 : x
2. Step 2: Convert to fraction form
   91,255.82/125,931.71 = 50,970.17/x
3. Step 3: Cross multiply
   91,255.82x = 125,931.71 × 50,970.17
4. Step 4: Simplify right side
   91,255.82x = 6,418,760,037.43
5. Step 5: Solve for x
   x = 6,418,760,037.43/91,255.82
6. Step 6: Final answer
   x = 70,338.09