Finding the Fourth Proportional to 10,019.01, 15,028.79 and 3,445.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.01 : 15,028.79 = 3,445.10 : x
2. Step 2: Convert to fraction form
   10,019.01/15,028.79 = 3,445.10/x
3. Step 3: Cross multiply
   10,019.01x = 15,028.79 × 3,445.10
4. Step 4: Simplify right side
   10,019.01x = 51,775,592.06
5. Step 5: Solve for x
   x = 51,775,592.06/10,019.01
6. Step 6: Final answer
   x = 5,167.74