Finding the Fourth Proportional to 10,085.19, 15,126.57 and 3,510.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085.19 : 15,126.57 = 3,510.83 : x
2. Step 2: Convert to fraction form
   10,085.19/15,126.57 = 3,510.83/x
3. Step 3: Cross multiply
   10,085.19x = 15,126.57 × 3,510.83
4. Step 4: Simplify right side
   10,085.19x = 53,106,740.12
5. Step 5: Solve for x
   x = 53,106,740.12/10,085.19
6. Step 6: Final answer
   x = 5,265.81