Finding the Fourth Proportional to 19,300.52, 26,635.50 and 10,917

Step by Step Solution

1. Step 1: Write the proportion equation
   19,300.52 : 26,635.50 = 10,917 : x
2. Step 2: Convert to fraction form
   19,300.52/26,635.50 = 10,917/x
3. Step 3: Cross multiply
   19,300.52x = 26,635.50 × 10,917
4. Step 4: Simplify right side
   19,300.52x = 290,779,753.50
5. Step 5: Solve for x
   x = 290,779,753.50/19,300.52
6. Step 6: Final answer
   x = 15,065.90