Finding the Fourth Proportional to 10,081.55, 15,122.43 and 3,507.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,081.55 : 15,122.43 = 3,507.95 : x
2. Step 2: Convert to fraction form
   10,081.55/15,122.43 = 3,507.95/x
3. Step 3: Cross multiply
   10,081.55x = 15,122.43 × 3,507.95
4. Step 4: Simplify right side
   10,081.55x = 53,048,728.32
5. Step 5: Solve for x
   x = 53,048,728.32/10,081.55
6. Step 6: Final answer
   x = 5,261.96