Finding the Fourth Proportional to 31,196.07, 46,799.78 and 14,330.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,196.07 : 46,799.78 = 14,330.12 : x
2. Step 2: Convert to fraction form
   31,196.07/46,799.78 = 14,330.12/x
3. Step 3: Cross multiply
   31,196.07x = 46,799.78 × 14,330.12
4. Step 4: Simplify right side
   31,196.07x = 670,646,157.72
5. Step 5: Solve for x
   x = 670,646,157.72/31,196.07
6. Step 6: Final answer
   x = 21,497.78