Finding the Fourth Proportional to 59,314.82, 81,943.35 and 38,945.21

Step by Step Solution

1. Step 1: Write the proportion equation
   59,314.82 : 81,943.35 = 38,945.21 : x
2. Step 2: Convert to fraction form
   59,314.82/81,943.35 = 38,945.21/x
3. Step 3: Cross multiply
   59,314.82x = 81,943.35 × 38,945.21
4. Step 4: Simplify right side
   59,314.82x = 3,191,300,418.09
5. Step 5: Solve for x
   x = 3,191,300,418.09/59,314.82
6. Step 6: Final answer
   x = 53,802.75