Finding the Fourth Proportional to 86,760.08, 119,731.16 and 49,036.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,760.08 : 119,731.16 = 49,036.72 : x
2. Step 2: Convert to fraction form
   86,760.08/119,731.16 = 49,036.72/x
3. Step 3: Cross multiply
   86,760.08x = 119,731.16 × 49,036.72
4. Step 4: Simplify right side
   86,760.08x = 5,871,223,368.20
5. Step 5: Solve for x
   x = 5,871,223,368.20/86,760.08
6. Step 6: Final answer
   x = 67,671.95