Finding the Fourth Proportional to 13,762.68, 18,992.61 and 7,475.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,762.68 : 18,992.61 = 7,475.10 : x
2. Step 2: Convert to fraction form
   13,762.68/18,992.61 = 7,475.10/x
3. Step 3: Cross multiply
   13,762.68x = 18,992.61 × 7,475.10
4. Step 4: Simplify right side
   13,762.68x = 141,971,659.01
5. Step 5: Solve for x
   x = 141,971,659.01/13,762.68
6. Step 6: Final answer
   x = 10,315.70