Finding the Fourth Proportional to 13,510.69, 20,266.02 and 7,510.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,510.69 : 20,266.02 = 7,510.59 : x
2. Step 2: Convert to fraction form
   13,510.69/20,266.02 = 7,510.59/x
3. Step 3: Cross multiply
   13,510.69x = 20,266.02 × 7,510.59
4. Step 4: Simplify right side
   13,510.69x = 152,209,767.15
5. Step 5: Solve for x
   x = 152,209,767.15/13,510.69
6. Step 6: Final answer
   x = 11,265.88