Finding the Fourth Proportional to 80,844, 111,564.72 and 47,310

Step by Step Solution

1. Step 1: Write the proportion equation
   80,844 : 111,564.72 = 47,310 : x
2. Step 2: Convert to fraction form
   80,844/111,564.72 = 47,310/x
3. Step 3: Cross multiply
   80,844x = 111,564.72 × 47,310
4. Step 4: Simplify right side
   80,844x = 5,278,126,903.20
5. Step 5: Solve for x
   x = 5,278,126,903.20/80,844
6. Step 6: Final answer
   x = 65,287.80