Finding the Fourth Proportional to 67,994.28, 101,904.88 and 38,428.60

Step by Step Solution

1. Step 1: Write the proportion equation
   67,994.28 : 101,904.88 = 38,428.60 : x
2. Step 2: Convert to fraction form
   67,994.28/101,904.88 = 38,428.60/x
3. Step 3: Cross multiply
   67,994.28x = 101,904.88 × 38,428.60
4. Step 4: Simplify right side
   67,994.28x = 3,916,061,871.57
5. Step 5: Solve for x
   x = 3,916,061,871.57/67,994.28
6. Step 6: Final answer
   x = 57,593.99