Finding the Fourth Proportional to 10,090.34, 15,131.67 and 4,614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,090.34 : 15,131.67 = 4,614.50 : x
2. Step 2: Convert to fraction form
   10,090.34/15,131.67 = 4,614.50/x
3. Step 3: Cross multiply
   10,090.34x = 15,131.67 × 4,614.50
4. Step 4: Simplify right side
   10,090.34x = 69,825,091.22
5. Step 5: Solve for x
   x = 69,825,091.22/10,090.34
6. Step 6: Final answer
   x = 6,919.99