Finding the Fourth Proportional to 134,485.63, 185,527.82 and 86,754.35

Step by Step Solution

1. Step 1: Write the proportion equation
   134,485.63 : 185,527.82 = 86,754.35 : x
2. Step 2: Convert to fraction form
   134,485.63/185,527.82 = 86,754.35/x
3. Step 3: Cross multiply
   134,485.63x = 185,527.82 × 86,754.35
4. Step 4: Simplify right side
   134,485.63x = 16,095,346,111.72
5. Step 5: Solve for x
   x = 16,095,346,111.72/134,485.63
6. Step 6: Final answer
   x = 119,680.79