Finding the Fourth Proportional to 72,298.58, 108,033.46 and 55,106.34

Step by Step Solution

1. Step 1: Write the proportion equation
   72,298.58 : 108,033.46 = 55,106.34 : x
2. Step 2: Convert to fraction form
   72,298.58/108,033.46 = 55,106.34/x
3. Step 3: Cross multiply
   72,298.58x = 108,033.46 × 55,106.34
4. Step 4: Simplify right side
   72,298.58x = 5,953,328,578.14
5. Step 5: Solve for x
   x = 5,953,328,578.14/72,298.58
6. Step 6: Final answer
   x = 82,343.64