Finding the Fourth Proportional to 107,776.14, 148,679.56 and 83,738.31

Step by Step Solution

1. Step 1: Write the proportion equation
   107,776.14 : 148,679.56 = 83,738.31 : x
2. Step 2: Convert to fraction form
   107,776.14/148,679.56 = 83,738.31/x
3. Step 3: Cross multiply
   107,776.14x = 148,679.56 × 83,738.31
4. Step 4: Simplify right side
   107,776.14x = 12,450,175,085.94
5. Step 5: Solve for x
   x = 12,450,175,085.94/107,776.14
6. Step 6: Final answer
   x = 115,518.84