Finding the Fourth Proportional to 11,666.37, 17,499.63 and 5,090.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,666.37 : 17,499.63 = 5,090.94 : x
2. Step 2: Convert to fraction form
   11,666.37/17,499.63 = 5,090.94/x
3. Step 3: Cross multiply
   11,666.37x = 17,499.63 × 5,090.94
4. Step 4: Simplify right side
   11,666.37x = 89,089,566.35
5. Step 5: Solve for x
   x = 89,089,566.35/11,666.37
6. Step 6: Final answer
   x = 7,636.44