Finding the Fourth Proportional to 111,932.42, 154,477.62 and 83,588.90

Step by Step Solution

1. Step 1: Write the proportion equation
   111,932.42 : 154,477.62 = 83,588.90 : x
2. Step 2: Convert to fraction form
   111,932.42/154,477.62 = 83,588.90/x
3. Step 3: Cross multiply
   111,932.42x = 154,477.62 × 83,588.90
4. Step 4: Simplify right side
   111,932.42x = 12,912,613,558.03
5. Step 5: Solve for x
   x = 12,912,613,558.03/111,932.42
6. Step 6: Final answer
   x = 115,360.81