Finding the Fourth Proportional to 108,426.39, 149,696.33 and 69,679.92

Step by Step Solution

1. Step 1: Write the proportion equation
   108,426.39 : 149,696.33 = 69,679.92 : x
2. Step 2: Convert to fraction form
   108,426.39/149,696.33 = 69,679.92/x
3. Step 3: Cross multiply
   108,426.39x = 149,696.33 × 69,679.92
4. Step 4: Simplify right side
   108,426.39x = 10,430,829,034.25
5. Step 5: Solve for x
   x = 10,430,829,034.25/108,426.39
6. Step 6: Final answer
   x = 96,201.94