Finding the Fourth Proportional to 112,016.42, 154,370.07 and 80,130.02

Step by Step Solution

1. Step 1: Write the proportion equation
   112,016.42 : 154,370.07 = 80,130.02 : x
2. Step 2: Convert to fraction form
   112,016.42/154,370.07 = 80,130.02/x
3. Step 3: Cross multiply
   112,016.42x = 154,370.07 × 80,130.02
4. Step 4: Simplify right side
   112,016.42x = 12,369,676,796.50
5. Step 5: Solve for x
   x = 12,369,676,796.50/112,016.42
6. Step 6: Final answer
   x = 110,427.35