Finding the Fourth Proportional to 10,111.56, 15,172.15 and 4,566.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.56 : 15,172.15 = 4,566.60 : x
2. Step 2: Convert to fraction form
   10,111.56/15,172.15 = 4,566.60/x
3. Step 3: Cross multiply
   10,111.56x = 15,172.15 × 4,566.60
4. Step 4: Simplify right side
   10,111.56x = 69,285,064.33
5. Step 5: Solve for x
   x = 69,285,064.33/10,111.56
6. Step 6: Final answer
   x = 6,852.07