Finding the Fourth Proportional to 113,043.69, 156,002.76 and 67,769.28

Step by Step Solution

1. Step 1: Write the proportion equation
   113,043.69 : 156,002.76 = 67,769.28 : x
2. Step 2: Convert to fraction form
   113,043.69/156,002.76 = 67,769.28/x
3. Step 3: Cross multiply
   113,043.69x = 156,002.76 × 67,769.28
4. Step 4: Simplify right side
   113,043.69x = 10,572,194,723.21
5. Step 5: Solve for x
   x = 10,572,194,723.21/113,043.69
6. Step 6: Final answer
   x = 93,523.09