Finding the Fourth Proportional to 10,201.52, 15,302.34 and 2,806.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,201.52 : 15,302.34 = 2,806.76 : x
2. Step 2: Convert to fraction form
   10,201.52/15,302.34 = 2,806.76/x
3. Step 3: Cross multiply
   10,201.52x = 15,302.34 × 2,806.76
4. Step 4: Simplify right side
   10,201.52x = 42,949,995.82
5. Step 5: Solve for x
   x = 42,949,995.82/10,201.52
6. Step 6: Final answer
   x = 4,210.16