Finding the Fourth Proportional to 55,068.05, 82,607.55 and 17,618.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,068.05 : 82,607.55 = 17,618.72 : x
2. Step 2: Convert to fraction form
   55,068.05/82,607.55 = 17,618.72/x
3. Step 3: Cross multiply
   55,068.05x = 82,607.55 × 17,618.72
4. Step 4: Simplify right side
   55,068.05x = 1,455,438,814.23
5. Step 5: Solve for x
   x = 1,455,438,814.23/55,068.05
6. Step 6: Final answer
   x = 26,429.82