Finding the Fourth Proportional to 31,056.16, 42,856.20 and 17,627.17

Step by Step Solution

1. Step 1: Write the proportion equation
   31,056.16 : 42,856.20 = 17,627.17 : x
2. Step 2: Convert to fraction form
   31,056.16/42,856.20 = 17,627.17/x
3. Step 3: Cross multiply
   31,056.16x = 42,856.20 × 17,627.17
4. Step 4: Simplify right side
   31,056.16x = 755,433,522.95
5. Step 5: Solve for x
   x = 755,433,522.95/31,056.16
6. Step 6: Final answer
   x = 24,324.76