Finding the Fourth Proportional to 91,100.34, 125,718.71 and 50,816.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,100.34 : 125,718.71 = 50,816.72 : x
2. Step 2: Convert to fraction form
   91,100.34/125,718.71 = 50,816.72/x
3. Step 3: Cross multiply
   91,100.34x = 125,718.71 × 50,816.72
4. Step 4: Simplify right side
   91,100.34x = 6,388,612,545.04
5. Step 5: Solve for x
   x = 6,388,612,545.04/91,100.34
6. Step 6: Final answer
   x = 70,127.21