Finding the Fourth Proportional to 10,061.55, 15,093.68 and 4,216.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.55 : 15,093.68 = 4,216.79 : x
2. Step 2: Convert to fraction form
   10,061.55/15,093.68 = 4,216.79/x
3. Step 3: Cross multiply
   10,061.55x = 15,093.68 × 4,216.79
4. Step 4: Simplify right side
   10,061.55x = 63,646,895.54
5. Step 5: Solve for x
   x = 63,646,895.54/10,061.55
6. Step 6: Final answer
   x = 6,325.75