Finding the Fourth Proportional to 5,436.18, 7,445.55 and 5,116.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,436.18 : 7,445.55 = 5,116.94 : x
2. Step 2: Convert to fraction form
   5,436.18/7,445.55 = 5,116.94/x
3. Step 3: Cross multiply
   5,436.18x = 7,445.55 × 5,116.94
4. Step 4: Simplify right side
   5,436.18x = 38,098,442.50
5. Step 5: Solve for x
   x = 38,098,442.50/5,436.18
6. Step 6: Final answer
   x = 7,008.31