Finding the Fourth Proportional to 67,428.09, 93,091.02 and 59,955.57

Step by Step Solution

1. Step 1: Write the proportion equation
   67,428.09 : 93,091.02 = 59,955.57 : x
2. Step 2: Convert to fraction form
   67,428.09/93,091.02 = 59,955.57/x
3. Step 3: Cross multiply
   67,428.09x = 93,091.02 × 59,955.57
4. Step 4: Simplify right side
   67,428.09x = 5,581,325,165.98
5. Step 5: Solve for x
   x = 5,581,325,165.98/67,428.09
6. Step 6: Final answer
   x = 82,774.48