Finding the Fourth Proportional to 35,429.28, 48,892.25 and 19,513.70

Step by Step Solution

1. Step 1: Write the proportion equation
   35,429.28 : 48,892.25 = 19,513.70 : x
2. Step 2: Convert to fraction form
   35,429.28/48,892.25 = 19,513.70/x
3. Step 3: Cross multiply
   35,429.28x = 48,892.25 × 19,513.70
4. Step 4: Simplify right side
   35,429.28x = 954,068,356.80
5. Step 5: Solve for x
   x = 954,068,356.80/35,429.28
6. Step 6: Final answer
   x = 26,928.81