Finding the Fourth Proportional to 13,892.42, 19,173.77 and 7,926.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,892.42 : 19,173.77 = 7,926.03 : x
2. Step 2: Convert to fraction form
   13,892.42/19,173.77 = 7,926.03/x
3. Step 3: Cross multiply
   13,892.42x = 19,173.77 × 7,926.03
4. Step 4: Simplify right side
   13,892.42x = 151,971,836.60
5. Step 5: Solve for x
   x = 151,971,836.60/13,892.42
6. Step 6: Final answer
   x = 10,939.19