Finding the Fourth Proportional to 95,039.46, 142,743.72 and 69,980.56

Step by Step Solution

1. Step 1: Write the proportion equation
   95,039.46 : 142,743.72 = 69,980.56 : x
2. Step 2: Convert to fraction form
   95,039.46/142,743.72 = 69,980.56/x
3. Step 3: Cross multiply
   95,039.46x = 142,743.72 × 69,980.56
4. Step 4: Simplify right side
   95,039.46x = 9,989,285,462.08
5. Step 5: Solve for x
   x = 9,989,285,462.08/95,039.46
6. Step 6: Final answer
   x = 105,106.72