Finding the Fourth Proportional to 5,505.59, 8,258.29 and 1,345.53

Step by Step Solution

1. Step 1: Write the proportion equation
   5,505.59 : 8,258.29 = 1,345.53 : x
2. Step 2: Convert to fraction form
   5,505.59/8,258.29 = 1,345.53/x
3. Step 3: Cross multiply
   5,505.59x = 8,258.29 × 1,345.53
4. Step 4: Simplify right side
   5,505.59x = 11,111,804.55
5. Step 5: Solve for x
   x = 11,111,804.55/5,505.59
6. Step 6: Final answer
   x = 2,018.28