Finding the Fourth Proportional to 104,900.88, 144,816.82 and 71,088

Step by Step Solution

1. Step 1: Write the proportion equation
   104,900.88 : 144,816.82 = 71,088 : x
2. Step 2: Convert to fraction form
   104,900.88/144,816.82 = 71,088/x
3. Step 3: Cross multiply
   104,900.88x = 144,816.82 × 71,088
4. Step 4: Simplify right side
   104,900.88x = 10,294,738,100.16
5. Step 5: Solve for x
   x = 10,294,738,100.16/104,900.88
6. Step 6: Final answer
   x = 98,137.77