Finding the Fourth Proportional to 31,856.93, 47,758.67 and 14,084.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,856.93 : 47,758.67 = 14,084.72 : x
2. Step 2: Convert to fraction form
   31,856.93/47,758.67 = 14,084.72/x
3. Step 3: Cross multiply
   31,856.93x = 47,758.67 × 14,084.72
4. Step 4: Simplify right side
   31,856.93x = 672,667,424.10
5. Step 5: Solve for x
   x = 672,667,424.10/31,856.93
6. Step 6: Final answer
   x = 21,115.26