Finding the Fourth Proportional to 17,065.58, 23,530.99 and 13,870.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,065.58 : 23,530.99 = 13,870.13 : x
2. Step 2: Convert to fraction form
   17,065.58/23,530.99 = 13,870.13/x
3. Step 3: Cross multiply
   17,065.58x = 23,530.99 × 13,870.13
4. Step 4: Simplify right side
   17,065.58x = 326,377,820.98
5. Step 5: Solve for x
   x = 326,377,820.98/17,065.58
6. Step 6: Final answer
   x = 19,124.92