Finding the Fourth Proportional to 11,645.56, 16,081.54 and 7,397.99

Step by Step Solution

1. Step 1: Write the proportion equation
   11,645.56 : 16,081.54 = 7,397.99 : x
2. Step 2: Convert to fraction form
   11,645.56/16,081.54 = 7,397.99/x
3. Step 3: Cross multiply
   11,645.56x = 16,081.54 × 7,397.99
4. Step 4: Simplify right side
   11,645.56x = 118,971,072.10
5. Step 5: Solve for x
   x = 118,971,072.10/11,645.56
6. Step 6: Final answer
   x = 10,216.01