Finding the Fourth Proportional to 31,272.01, 43,155.41 and 16,931.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,272.01 : 43,155.41 = 16,931.84 : x
2. Step 2: Convert to fraction form
   31,272.01/43,155.41 = 16,931.84/x
3. Step 3: Cross multiply
   31,272.01x = 43,155.41 × 16,931.84
4. Step 4: Simplify right side
   31,272.01x = 730,700,196.82
5. Step 5: Solve for x
   x = 730,700,196.82/31,272.01
6. Step 6: Final answer
   x = 23,365.95