Finding the Fourth Proportional to 108,055.20, 149,015.52 and 71,692.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,055.20 : 149,015.52 = 71,692.56 : x
2. Step 2: Convert to fraction form
   108,055.20/149,015.52 = 71,692.56/x
3. Step 3: Cross multiply
   108,055.20x = 149,015.52 × 71,692.56
4. Step 4: Simplify right side
   108,055.20x = 10,683,304,108.53
5. Step 5: Solve for x
   x = 10,683,304,108.53/108,055.20
6. Step 6: Final answer
   x = 98,868.95