Finding the Fourth Proportional to 10,075.22, 15,115.55 and 3,501.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,075.22 : 15,115.55 = 3,501.77 : x
2. Step 2: Convert to fraction form
   10,075.22/15,115.55 = 3,501.77/x
3. Step 3: Cross multiply
   10,075.22x = 15,115.55 × 3,501.77
4. Step 4: Simplify right side
   10,075.22x = 52,931,086.44
5. Step 5: Solve for x
   x = 52,931,086.44/10,075.22
6. Step 6: Final answer
   x = 5,253.59