Finding the Fourth Proportional to 31,099.02, 42,915.06 and 16,951.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,099.02 : 42,915.06 = 16,951.74 : x
2. Step 2: Convert to fraction form
   31,099.02/42,915.06 = 16,951.74/x
3. Step 3: Cross multiply
   31,099.02x = 42,915.06 × 16,951.74
4. Step 4: Simplify right side
   31,099.02x = 727,484,939.20
5. Step 5: Solve for x
   x = 727,484,939.20/31,099.02
6. Step 6: Final answer
   x = 23,392.54