Finding the Fourth Proportional to 72,296.58, 108,030.47 and 55,104.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72,296.58 : 108,030.47 = 55,104.33 : x
2. Step 2: Convert to fraction form
   72,296.58/108,030.47 = 55,104.33/x
3. Step 3: Cross multiply
   72,296.58x = 108,030.47 × 55,104.33
4. Step 4: Simplify right side
   72,296.58x = 5,952,946,393.41
5. Step 5: Solve for x
   x = 5,952,946,393.41/72,296.58
6. Step 6: Final answer
   x = 82,340.64