Finding the Fourth Proportional to 13,152.94, 19,724.55 and 5,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,152.94 : 19,724.55 = 5,357.50 : x
2. Step 2: Convert to fraction form
   13,152.94/19,724.55 = 5,357.50/x
3. Step 3: Cross multiply
   13,152.94x = 19,724.55 × 5,357.50
4. Step 4: Simplify right side
   13,152.94x = 105,674,276.63
5. Step 5: Solve for x
   x = 105,674,276.63/13,152.94
6. Step 6: Final answer
   x = 8,034.27