Finding the Fourth Proportional to 9,914.09, 13,681.54 and 5,437.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,914.09 : 13,681.54 = 5,437.72 : x
2. Step 2: Convert to fraction form
   9,914.09/13,681.54 = 5,437.72/x
3. Step 3: Cross multiply
   9,914.09x = 13,681.54 × 5,437.72
4. Step 4: Simplify right side
   9,914.09x = 74,396,407.59
5. Step 5: Solve for x
   x = 74,396,407.59/9,914.09
6. Step 6: Final answer
   x = 7,504.11