Finding the Fourth Proportional to 127,965.56, 191,554.61 and 83,496.56

Step by Step Solution

1. Step 1: Write the proportion equation
   127,965.56 : 191,554.61 = 83,496.56 : x
2. Step 2: Convert to fraction form
   127,965.56/191,554.61 = 83,496.56/x
3. Step 3: Cross multiply
   127,965.56x = 191,554.61 × 83,496.56
4. Step 4: Simplify right side
   127,965.56x = 15,994,149,611.89
5. Step 5: Solve for x
   x = 15,994,149,611.89/127,965.56
6. Step 6: Final answer
   x = 124,987.93