Finding the Fourth Proportional to 17,322.48, 23,905.56 and 9,870

Step by Step Solution

1. Step 1: Write the proportion equation
   17,322.48 : 23,905.56 = 9,870 : x
2. Step 2: Convert to fraction form
   17,322.48/23,905.56 = 9,870/x
3. Step 3: Cross multiply
   17,322.48x = 23,905.56 × 9,870
4. Step 4: Simplify right side
   17,322.48x = 235,947,877.20
5. Step 5: Solve for x
   x = 235,947,877.20/17,322.48
6. Step 6: Final answer
   x = 13,620.91