Finding the Fourth Proportional to 10,109.94, 15,155.31 and 3,531.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.94 : 15,155.31 = 3,531.84 : x
2. Step 2: Convert to fraction form
   10,109.94/15,155.31 = 3,531.84/x
3. Step 3: Cross multiply
   10,109.94x = 15,155.31 × 3,531.84
4. Step 4: Simplify right side
   10,109.94x = 53,526,130.07
5. Step 5: Solve for x
   x = 53,526,130.07/10,109.94
6. Step 6: Final answer
   x = 5,294.41