Finding the Fourth Proportional to 59,320.82, 81,870.18 and 38,920.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,320.82 : 81,870.18 = 38,920.16 : x
2. Step 2: Convert to fraction form
   59,320.82/81,870.18 = 38,920.16/x
3. Step 3: Cross multiply
   59,320.82x = 81,870.18 × 38,920.16
4. Step 4: Simplify right side
   59,320.82x = 3,186,400,504.83
5. Step 5: Solve for x
   x = 3,186,400,504.83/59,320.82
6. Step 6: Final answer
   x = 53,714.71