Finding the Fourth Proportional to 10,111.17, 15,159.47 and 3,535.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.17 : 15,159.47 = 3,535.59 : x
2. Step 2: Convert to fraction form
   10,111.17/15,159.47 = 3,535.59/x
3. Step 3: Cross multiply
   10,111.17x = 15,159.47 × 3,535.59
4. Step 4: Simplify right side
   10,111.17x = 53,597,652.86
5. Step 5: Solve for x
   x = 53,597,652.86/10,111.17
6. Step 6: Final answer
   x = 5,300.84