Finding the Fourth Proportional to 31,844.34, 47,779.47 and 14,322.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,844.34 : 47,779.47 = 14,322.42 : x
2. Step 2: Convert to fraction form
   31,844.34/47,779.47 = 14,322.42/x
3. Step 3: Cross multiply
   31,844.34x = 47,779.47 × 14,322.42
4. Step 4: Simplify right side
   31,844.34x = 684,317,636.72
5. Step 5: Solve for x
   x = 684,317,636.72/31,844.34
6. Step 6: Final answer
   x = 21,489.46