Finding the Fourth Proportional to 102,096.72, 140,853.60 and 75,303

Step by Step Solution

1. Step 1: Write the proportion equation
   102,096.72 : 140,853.60 = 75,303 : x
2. Step 2: Convert to fraction form
   102,096.72/140,853.60 = 75,303/x
3. Step 3: Cross multiply
   102,096.72x = 140,853.60 × 75,303
4. Step 4: Simplify right side
   102,096.72x = 10,606,698,640.80
5. Step 5: Solve for x
   x = 10,606,698,640.80/102,096.72
6. Step 6: Final answer
   x = 103,888.73