Finding the Fourth Proportional to 13,151.94, 19,723.05 and 5,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,151.94 : 19,723.05 = 5,356.50 : x
2. Step 2: Convert to fraction form
   13,151.94/19,723.05 = 5,356.50/x
3. Step 3: Cross multiply
   13,151.94x = 19,723.05 × 5,356.50
4. Step 4: Simplify right side
   13,151.94x = 105,646,517.33
5. Step 5: Solve for x
   x = 105,646,517.33/13,151.94
6. Step 6: Final answer
   x = 8,032.77