Finding the Fourth Proportional to 10,538.04, 15,803.24 and 4,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,538.04 : 15,803.24 = 4,294.72 : x
2. Step 2: Convert to fraction form
   10,538.04/15,803.24 = 4,294.72/x
3. Step 3: Cross multiply
   10,538.04x = 15,803.24 × 4,294.72
4. Step 4: Simplify right side
   10,538.04x = 67,870,507.29
5. Step 5: Solve for x
   x = 67,870,507.29/10,538.04
6. Step 6: Final answer
   x = 6,440.53