Finding the Fourth Proportional to 57,404.52, 86,104.38 and 19,973.08

Step by Step Solution

1. Step 1: Write the proportion equation
   57,404.52 : 86,104.38 = 19,973.08 : x
2. Step 2: Convert to fraction form
   57,404.52/86,104.38 = 19,973.08/x
3. Step 3: Cross multiply
   57,404.52x = 86,104.38 × 19,973.08
4. Step 4: Simplify right side
   57,404.52x = 1,719,769,670.09
5. Step 5: Solve for x
   x = 1,719,769,670.09/57,404.52
6. Step 6: Final answer
   x = 29,958.78