Finding the Fourth Proportional to 10,017.56, 15,034.98 and 3,865.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.56 : 15,034.98 = 3,865.88 : x
2. Step 2: Convert to fraction form
   10,017.56/15,034.98 = 3,865.88/x
3. Step 3: Cross multiply
   10,017.56x = 15,034.98 × 3,865.88
4. Step 4: Simplify right side
   10,017.56x = 58,123,428.48
5. Step 5: Solve for x
   x = 58,123,428.48/10,017.56
6. Step 6: Final answer
   x = 5,802.15