Finding the Fourth Proportional to 13,017.76, 19,527.52 and 5,225.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,017.76 : 19,527.52 = 5,225.60 : x
2. Step 2: Convert to fraction form
   13,017.76/19,527.52 = 5,225.60/x
3. Step 3: Cross multiply
   13,017.76x = 19,527.52 × 5,225.60
4. Step 4: Simplify right side
   13,017.76x = 102,043,008.51
5. Step 5: Solve for x
   x = 102,043,008.51/13,017.76
6. Step 6: Final answer
   x = 7,838.75