Finding the Fourth Proportional to 57,839, 86,659.36 and 38,828.04

Step by Step Solution

1. Step 1: Write the proportion equation
   57,839 : 86,659.36 = 38,828.04 : x
2. Step 2: Convert to fraction form
   57,839/86,659.36 = 38,828.04/x
3. Step 3: Cross multiply
   57,839x = 86,659.36 × 38,828.04
4. Step 4: Simplify right side
   57,839x = 3,364,813,096.45
5. Step 5: Solve for x
   x = 3,364,813,096.45/57,839
6. Step 6: Final answer
   x = 58,175.51