Finding the Fourth Proportional to 140,300.53, 193,614.72 and 75,769.76

Step by Step Solution

1. Step 1: Write the proportion equation
   140,300.53 : 193,614.72 = 75,769.76 : x
2. Step 2: Convert to fraction form
   140,300.53/193,614.72 = 75,769.76/x
3. Step 3: Cross multiply
   140,300.53x = 193,614.72 × 75,769.76
4. Step 4: Simplify right side
   140,300.53x = 14,670,140,866.87
5. Step 5: Solve for x
   x = 14,670,140,866.87/140,300.53
6. Step 6: Final answer
   x = 104,562.26