Finding the Fourth Proportional to 59,992.84, 82,742.88 and 55,968.76

Step by Step Solution

1. Step 1: Write the proportion equation
   59,992.84 : 82,742.88 = 55,968.76 : x
2. Step 2: Convert to fraction form
   59,992.84/82,742.88 = 55,968.76/x
3. Step 3: Cross multiply
   59,992.84x = 82,742.88 × 55,968.76
4. Step 4: Simplify right side
   59,992.84x = 4,631,016,392.43
5. Step 5: Solve for x
   x = 4,631,016,392.43/59,992.84
6. Step 6: Final answer
   x = 77,192.82