Finding the Fourth Proportional to 10,075.05, 15,112.98 and 3,501.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,075.05 : 15,112.98 = 3,501.09 : x
2. Step 2: Convert to fraction form
   10,075.05/15,112.98 = 3,501.09/x
3. Step 3: Cross multiply
   10,075.05x = 15,112.98 × 3,501.09
4. Step 4: Simplify right side
   10,075.05x = 52,911,903.15
5. Step 5: Solve for x
   x = 52,911,903.15/10,075.05
6. Step 6: Final answer
   x = 5,251.78