Finding the Fourth Proportional to 17,513.56, 26,280.06 and 7,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,513.56 : 26,280.06 = 7,124.50 : x
2. Step 2: Convert to fraction form
   17,513.56/26,280.06 = 7,124.50/x
3. Step 3: Cross multiply
   17,513.56x = 26,280.06 × 7,124.50
4. Step 4: Simplify right side
   17,513.56x = 187,232,287.47
5. Step 5: Solve for x
   x = 187,232,287.47/17,513.56
6. Step 6: Final answer
   x = 10,690.70