Finding the Fourth Proportional to 86,311.51, 119,105.25 and 47,548.06

Step by Step Solution

1. Step 1: Write the proportion equation
   86,311.51 : 119,105.25 = 47,548.06 : x
2. Step 2: Convert to fraction form
   86,311.51/119,105.25 = 47,548.06/x
3. Step 3: Cross multiply
   86,311.51x = 119,105.25 × 47,548.06
4. Step 4: Simplify right side
   86,311.51x = 5,663,223,097.25
5. Step 5: Solve for x
   x = 5,663,223,097.25/86,311.51
6. Step 6: Final answer
   x = 65,613.77