Finding the Fourth Proportional to 72,092.28, 98,764.78 and 69,396.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,092.28 : 98,764.78 = 69,396.88 : x
2. Step 2: Convert to fraction form
   72,092.28/98,764.78 = 69,396.88/x
3. Step 3: Cross multiply
   72,092.28x = 98,764.78 × 69,396.88
4. Step 4: Simplify right side
   72,092.28x = 6,853,967,585.89
5. Step 5: Solve for x
   x = 6,853,967,585.89/72,092.28
6. Step 6: Final answer
   x = 95,072.14