Finding the Fourth Proportional to 55,064.71, 82,602.51 and 17,615.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,064.71 : 82,602.51 = 17,615.38 : x
2. Step 2: Convert to fraction form
   55,064.71/82,602.51 = 17,615.38/x
3. Step 3: Cross multiply
   55,064.71x = 82,602.51 × 17,615.38
4. Step 4: Simplify right side
   55,064.71x = 1,455,074,189.59
5. Step 5: Solve for x
   x = 1,455,074,189.59/55,064.71
6. Step 6: Final answer
   x = 26,424.81