Finding the Fourth Proportional to 9,974.69, 13,764.91 and 5,437.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974.69 : 13,764.91 = 5,437.43 : x
2. Step 2: Convert to fraction form
   9,974.69/13,764.91 = 5,437.43/x
3. Step 3: Cross multiply
   9,974.69x = 13,764.91 × 5,437.43
4. Step 4: Simplify right side
   9,974.69x = 74,845,652.16
5. Step 5: Solve for x
   x = 74,845,652.16/9,974.69
6. Step 6: Final answer
   x = 7,503.55