Finding the Fourth Proportional to 31,918, 47,884.72 and 10,030

Step by Step Solution

1. Step 1: Write the proportion equation
   31,918 : 47,884.72 = 10,030 : x
2. Step 2: Convert to fraction form
   31,918/47,884.72 = 10,030/x
3. Step 3: Cross multiply
   31,918x = 47,884.72 × 10,030
4. Step 4: Simplify right side
   31,918x = 480,283,741.60
5. Step 5: Solve for x
   x = 480,283,741.60/31,918
6. Step 6: Final answer
   x = 15,047.43