Finding the Fourth Proportional to 82,364.42, 123,405.45 and 55,296.06

Step by Step Solution

1. Step 1: Write the proportion equation
   82,364.42 : 123,405.45 = 55,296.06 : x
2. Step 2: Convert to fraction form
   82,364.42/123,405.45 = 55,296.06/x
3. Step 3: Cross multiply
   82,364.42x = 123,405.45 × 55,296.06
4. Step 4: Simplify right side
   82,364.42x = 6,823,835,167.53
5. Step 5: Solve for x
   x = 6,823,835,167.53/82,364.42
6. Step 6: Final answer
   x = 82,849.31