Finding the Fourth Proportional to 55,156.74, 82,719.71 and 19,613.53

Step by Step Solution

1. Step 1: Write the proportion equation
   55,156.74 : 82,719.71 = 19,613.53 : x
2. Step 2: Convert to fraction form
   55,156.74/82,719.71 = 19,613.53/x
3. Step 3: Cross multiply
   55,156.74x = 82,719.71 × 19,613.53
4. Step 4: Simplify right side
   55,156.74x = 1,622,425,513.68
5. Step 5: Solve for x
   x = 1,622,425,513.68/55,156.74
6. Step 6: Final answer
   x = 29,414.82