Finding the Fourth Proportional to 71,969.52, 99,358.09 and 50,525.07

Step by Step Solution

1. Step 1: Write the proportion equation
   71,969.52 : 99,358.09 = 50,525.07 : x
2. Step 2: Convert to fraction form
   71,969.52/99,358.09 = 50,525.07/x
3. Step 3: Cross multiply
   71,969.52x = 99,358.09 × 50,525.07
4. Step 4: Simplify right side
   71,969.52x = 5,020,074,326.00
5. Step 5: Solve for x
   x = 5,020,074,326.00/71,969.52
6. Step 6: Final answer
   x = 69,752.78