Finding the Fourth Proportional to 136,758.06, 188,661.42 and 88,993.98

Step by Step Solution

1. Step 1: Write the proportion equation
   136,758.06 : 188,661.42 = 88,993.98 : x
2. Step 2: Convert to fraction form
   136,758.06/188,661.42 = 88,993.98/x
3. Step 3: Cross multiply
   136,758.06x = 188,661.42 × 88,993.98
4. Step 4: Simplify right side
   136,758.06x = 16,789,730,638.25
5. Step 5: Solve for x
   x = 16,789,730,638.25/136,758.06
6. Step 6: Final answer
   x = 122,769.59