Finding the Fourth Proportional to 19,275.59, 28,893.69 and 10,938

Step by Step Solution

1. Step 1: Write the proportion equation
   19,275.59 : 28,893.69 = 10,938 : x
2. Step 2: Convert to fraction form
   19,275.59/28,893.69 = 10,938/x
3. Step 3: Cross multiply
   19,275.59x = 28,893.69 × 10,938
4. Step 4: Simplify right side
   19,275.59x = 316,039,181.22
5. Step 5: Solve for x
   x = 316,039,181.22/19,275.59
6. Step 6: Final answer
   x = 16,395.82