Finding the Fourth Proportional to 82,956.53, 123,829.18 and 71,185.95

Step by Step Solution

1. Step 1: Write the proportion equation
   82,956.53 : 123,829.18 = 71,185.95 : x
2. Step 2: Convert to fraction form
   82,956.53/123,829.18 = 71,185.95/x
3. Step 3: Cross multiply
   82,956.53x = 123,829.18 × 71,185.95
4. Step 4: Simplify right side
   82,956.53x = 8,814,897,638.06
5. Step 5: Solve for x
   x = 8,814,897,638.06/82,956.53
6. Step 6: Final answer
   x = 106,259.23