Finding the Fourth Proportional to 10,061.20, 15,093.32 and 3,485.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.20 : 15,093.32 = 3,485.62 : x
2. Step 2: Convert to fraction form
   10,061.20/15,093.32 = 3,485.62/x
3. Step 3: Cross multiply
   10,061.20x = 15,093.32 × 3,485.62
4. Step 4: Simplify right side
   10,061.20x = 52,609,578.06
5. Step 5: Solve for x
   x = 52,609,578.06/10,061.20
6. Step 6: Final answer
   x = 5,228.96