Finding the Fourth Proportional to 10,105.56, 15,153.48 and 4,258.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.56 : 15,153.48 = 4,258.98 : x
2. Step 2: Convert to fraction form
   10,105.56/15,153.48 = 4,258.98/x
3. Step 3: Cross multiply
   10,105.56x = 15,153.48 × 4,258.98
4. Step 4: Simplify right side
   10,105.56x = 64,538,368.25
5. Step 5: Solve for x
   x = 64,538,368.25/10,105.56
6. Step 6: Final answer
   x = 6,386.42