Finding the Fourth Proportional to 67,821.56, 93,575.01 and 39,139.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,821.56 : 93,575.01 = 39,139.25 : x
2. Step 2: Convert to fraction form
   67,821.56/93,575.01 = 39,139.25/x
3. Step 3: Cross multiply
   67,821.56x = 93,575.01 × 39,139.25
4. Step 4: Simplify right side
   67,821.56x = 3,662,455,710.14
5. Step 5: Solve for x
   x = 3,662,455,710.14/67,821.56
6. Step 6: Final answer
   x = 54,001.35