Finding the Fourth Proportional to 47,008.27, 64,874.28 and 31,065.04

Step by Step Solution

1. Step 1: Write the proportion equation
   47,008.27 : 64,874.28 = 31,065.04 : x
2. Step 2: Convert to fraction form
   47,008.27/64,874.28 = 31,065.04/x
3. Step 3: Cross multiply
   47,008.27x = 64,874.28 × 31,065.04
4. Step 4: Simplify right side
   47,008.27x = 2,015,322,103.17
5. Step 5: Solve for x
   x = 2,015,322,103.17/47,008.27
6. Step 6: Final answer
   x = 42,871.65