Finding the Fourth Proportional to 143,706.98, 198,300.61 and 88,507.51

Step by Step Solution

1. Step 1: Write the proportion equation
   143,706.98 : 198,300.61 = 88,507.51 : x
2. Step 2: Convert to fraction form
   143,706.98/198,300.61 = 88,507.51/x
3. Step 3: Cross multiply
   143,706.98x = 198,300.61 × 88,507.51
4. Step 4: Simplify right side
   143,706.98x = 17,551,093,222.58
5. Step 5: Solve for x
   x = 17,551,093,222.58/143,706.98
6. Step 6: Final answer
   x = 122,131.11