Finding the Fourth Proportional to 72,632.48, 109,131.96 and 69,680.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,632.48 : 109,131.96 = 69,680.16 : x
2. Step 2: Convert to fraction form
   72,632.48/109,131.96 = 69,680.16/x
3. Step 3: Cross multiply
   72,632.48x = 109,131.96 × 69,680.16
4. Step 4: Simplify right side
   72,632.48x = 7,604,332,433.91
5. Step 5: Solve for x
   x = 7,604,332,433.91/72,632.48
6. Step 6: Final answer
   x = 104,696.03