Finding the Fourth Proportional to 67,842.12, 93,540.78 and 64,101

Step by Step Solution

1. Step 1: Write the proportion equation
   67,842.12 : 93,540.78 = 64,101 : x
2. Step 2: Convert to fraction form
   67,842.12/93,540.78 = 64,101/x
3. Step 3: Cross multiply
   67,842.12x = 93,540.78 × 64,101
4. Step 4: Simplify right side
   67,842.12x = 5,996,057,538.78
5. Step 5: Solve for x
   x = 5,996,057,538.78/67,842.12
6. Step 6: Final answer
   x = 88,382.52