Finding the Fourth Proportional to 134,606.96, 185,748.72 and 80,860.16

Step by Step Solution

1. Step 1: Write the proportion equation
   134,606.96 : 185,748.72 = 80,860.16 : x
2. Step 2: Convert to fraction form
   134,606.96/185,748.72 = 80,860.16/x
3. Step 3: Cross multiply
   134,606.96x = 185,748.72 × 80,860.16
4. Step 4: Simplify right side
   134,606.96x = 15,019,671,219.00
5. Step 5: Solve for x
   x = 15,019,671,219.00/134,606.96
6. Step 6: Final answer
   x = 111,581.68