Finding the Fourth Proportional to 10,528.72, 15,802.64 and 5,602.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,528.72 : 15,802.64 = 5,602.48 : x
2. Step 2: Convert to fraction form
   10,528.72/15,802.64 = 5,602.48/x
3. Step 3: Cross multiply
   10,528.72x = 15,802.64 × 5,602.48
4. Step 4: Simplify right side
   10,528.72x = 88,533,974.55
5. Step 5: Solve for x
   x = 88,533,974.55/10,528.72
6. Step 6: Final answer
   x = 8,408.81