Finding the Fourth Proportional to 11,867.96, 16,377.71 and 7,090.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,867.96 : 16,377.71 = 7,090.07 : x
2. Step 2: Convert to fraction form
   11,867.96/16,377.71 = 7,090.07/x
3. Step 3: Cross multiply
   11,867.96x = 16,377.71 × 7,090.07
4. Step 4: Simplify right side
   11,867.96x = 116,119,110.34
5. Step 5: Solve for x
   x = 116,119,110.34/11,867.96
6. Step 6: Final answer
   x = 9,784.25