Finding the Fourth Proportional to 108,427.89, 149,698.41 and 69,681.43

Step by Step Solution

1. Step 1: Write the proportion equation
   108,427.89 : 149,698.41 = 69,681.43 : x
2. Step 2: Convert to fraction form
   108,427.89/149,698.41 = 69,681.43/x
3. Step 3: Cross multiply
   108,427.89x = 149,698.41 × 69,681.43
4. Step 4: Simplify right side
   108,427.89x = 10,431,199,277.53
5. Step 5: Solve for x
   x = 10,431,199,277.53/108,427.89
6. Step 6: Final answer
   x = 96,204.02