Finding the Fourth Proportional to 31,591.63, 47,346.33 and 12,849.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,591.63 : 47,346.33 = 12,849.82 : x
2. Step 2: Convert to fraction form
   31,591.63/47,346.33 = 12,849.82/x
3. Step 3: Cross multiply
   31,591.63x = 47,346.33 × 12,849.82
4. Step 4: Simplify right side
   31,591.63x = 608,391,818.16
5. Step 5: Solve for x
   x = 608,391,818.16/31,591.63
6. Step 6: Final answer
   x = 19,258.01