Finding the Fourth Proportional to 103,123.24, 142,259.46 and 67,296.68

Step by Step Solution

1. Step 1: Write the proportion equation
   103,123.24 : 142,259.46 = 67,296.68 : x
2. Step 2: Convert to fraction form
   103,123.24/142,259.46 = 67,296.68/x
3. Step 3: Cross multiply
   103,123.24x = 142,259.46 × 67,296.68
4. Step 4: Simplify right side
   103,123.24x = 9,573,589,356.59
5. Step 5: Solve for x
   x = 9,573,589,356.59/103,123.24
6. Step 6: Final answer
   x = 92,836.39