Finding the Fourth Proportional to 31,225.72, 43,091.18 and 17,078.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,225.72 : 43,091.18 = 17,078.84 : x
2. Step 2: Convert to fraction form
   31,225.72/43,091.18 = 17,078.84/x
3. Step 3: Cross multiply
   31,225.72x = 43,091.18 × 17,078.84
4. Step 4: Simplify right side
   31,225.72x = 735,947,368.63
5. Step 5: Solve for x
   x = 735,947,368.63/31,225.72
6. Step 6: Final answer
   x = 23,568.63